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Copyright DASSAULT SYSTEMES1 Module 3 Create the Simulation 1 Create the Working Environment 2 Create the Process Plan 3 Create the Simulation Enhance the Simulation Analyze the movements Create Output files 4 5 7 Tool Validation 6 Copyright DASSAULT SYSTEMES2 3 Create the Simulation Overview In creating a simulation of an assembly process, the manufacturing enterprise gains valuable information regarding the optimization of the process. Best trajectories to avoid clash conditions and part assembly sequencing are among the first, most critical information to be obtained. Now that the structure is set and the data ready, the movements of the simulation can be added. For the examples shown here, entire subassemblies are moved and conflicts will necessarily occur. Objectives Topics in this module are: Create move activities Use Dynamic clash to identify conflict conditions Edit and Delete move activities Add advanced part motion Run, Compile and Replay the simulation 3 hours Copyright DASSAULT SYSTEMES3 Workbenches and Toolbars used in this Module Workbenches Toolbars Copyright DASSAULT SYSTEMES4 Create the Simulation 3 Create Basic Moves B C Add Dynamic Clash Detection D A Edit & Delete Moves Add Advanced Part Motion Edit Moves Delete Moves 3 hours Hide Unused Resources View with Explode Create Move Activities Activate Dynamic Clash Create Moves with Dynamic Clash E Run, Compile & Replay Refine Moves with Compass Manipulation Editor Change Compass Location Use Smart Target Run the Simulation Compile the Simulation Replay the Simulation Inst. Inst. Copyright DASSAULT SYSTEMES5 A Create Basic Moves Hide Unused Resources View with Explode Create Movements Inst. Inst. Copyright DASSAULT SYSTEMES6 Create Basic Moves 3 Create the Simulation About Move Activities Creating movement is the basis of the simulation. Movements generate the shots and tracks that the simulation will replay for analysis and visualization. Moves can only be created with reference to a process activity. They can be inserted before, after, or as a child of the process activity. This restriction guarantees that the process plan accurately reflects the intended movements of the parts for the assembly or disassembly sequence. This creates a valuable asset in Design for Assembly discussions. It also forms the preliminary information for the generation of work instructions for the shop floor production effort. Because it is a virtual world, a basic move can be constructed without reference to other elements in the world. This can be refined with other tools. More about Move Activities can be found in the On-Line documentation Copyright DASSAULT SYSTEMES7 Create Basic Moves 3 Create the Simulation Hide Unused Resources – Procedure Before creating the movements of the simulation, it might be useful to do the following: 1. Hide unused resources to give a better view of the movements 2. Look at the original trajectory of all of the parts involved in the product 1 To Hide unused resources select the resource to be hidden, right click and select Hide/Show. The resource will remain in the PPR tree but be invisible in the world Repeating the process will return the visualization to the world Copyright DASSAULT SYSTEMES8 Create the Simulation 3 Create Basic Moves 1 Use Explode to look at all of the parts involved in the product. Highlight the product in the PPR tree. 2 4 3 Select Explode from the Analysis Tools toolbar. Observe the product in Exploded view. Notice that the explode sequence can be scrolled. If you selected OK above, the following Warning will appear Select NO. CANCEL the view after observation. The product will return to normal. View with Explode – Procedure Inst. Inst. Copyright DASSAULT SYSTEMES9 Create the Simulation 3 Create Basic Moves 1 Locate the Create a Move Activity on the Simulation Activity Creation toolbar. 2 3 In the Process node highlight the process activity where the move will be created (NOT the ProductList). Click the Create a Move Activity icon. When the Activity Creation Options box comes up, notice that a move activity can be inserted into the process before, as a child, or after the designated point in the process. Create Basic Moves – Procedure These two steps can be done in either order 4 Select the insertion point and click OK. A basic move activity can be created without consideration of other elements in the world. Inst. Inst. Copyright DASSAULT SYSTEMES10 A Preview window, a Manipulation toolbar, and an Edit Shuttle box will open. 5 Create the Simulation 3 Create Basic Moves The Preview window should contain the representation of the part that was identified in the Process node of the PPR tree. If the product data has not been linked to the process activity by Assigning the Product the preview screen will be blank For basic moves, click OK in the Edit Shuttle box Create Basic Moves – Procedure Copyright DASSAULT SYSTEMES11 Create the Simulation 3 Create Basic Moves Create Basic Moves – Procedure When the Edit Shuttle dialog box is closed, the compass attaches to the geometry that will be moved, and the Track box opens. 6 Grab an axis of the compass and move the mouse. The part will move as far as is desired on that axis. The track is automatically named as a move. A Default cycle time of 5 seconds is assigned and is reflected in the Gantt chart Copyright DASSAULT SYSTEMES12 Create the Simulation 3 Create Basic Moves Create Basic Moves – Procedure 7 When the move has been recorded, a line will appear showing the trajectory 8 When the desired distance is reached, let go of the compass and record the move by clicking on the Record icon located on the Recorder toolbar Copyright DASSAULT SYSTEMES13 Create the Simulation 3 Create Basic Moves Create Basic Moves – Procedure 9 Continue making and recording movements by grabbing and moving the compass until the part is located in the desired position. Each axis movement must be recorded separately Once recorded, a move is called a shot Copyright DASSAULT SYSTEMES14 Create the Simulation 3 Create Basic Moves Create Basic Moves – Procedure 10 View the moves (shots) by using the Player toolbar. The Player permits viewing of the movements in a variety of ways: Change loop mode will allow the play to be linear or looped Step backwards One shot at a time Skip to beginning (home) Play the simulation by time or by a single shot Skip to end Stop play Step forward one shot at a time Play forward Play backwards Copyright DASSAULT SYSTEMES15 Create the Simulation 3 Create Basic Moves 11 When the movement activity is satisfactory, click OK in the Track box. The moved part and the trajectory line remain, and the PPR tree is updated. Create Basic Moves – Procedure Copyright DASSAULT SYSTEMES16 Create the Simulation 3 Create Basic Moves Reviewing the Move Activity - Procedure Once the move activity is part of the PPR tree, it can be accessed at any time by double clicking on it. Doing so will bring up the move activity environment, and the activity can be viewed with the player toolbar. Copyright DASSAULT SYSTEMES17 Create the Simulation 3 Create Basic Moves Edit Shot Times - Procedure Editing shot duration can also be done, while shot times can be adjusted at any time, it is most efficient when the move activity is complete Click on the More >> button in the Track dialog box to see the Edit Time slide bar. Each vertical bar represents a shot. The space between shots represents the time span. 2 3 Open a move activity by double clicking on it in the PPR tree. 1 Positioning the mouse over a bar will display the time at which the move takes place in the cycle. Move the bar to change the duration of the shot. Copyright DASSAULT SYSTEMES18 Create the Simulation 3 Create Basic Moves Attach a 2D Section to a Move Activity - Procedure 2 Double click on the move activity to which the 2D Section will be attached. 6 5 1 The Assign Section(s) dialog box replaces the track and player windows. Click on the section(s) that to be associated from the Available Sections list. Users have the ability to attach 2D sections to move trajectories. This can assist with visualizing the internal location of the moved and stationary parts during a move activity particularly if Volume Cut is used. The move activity has the part information associated with it. Click on the part under the move activity. Click on the Associate Section button located next to the NAME field. Associate a section with the part using the Sectioning icon on the Analysis Tools toolbar. Close the sectioning analysis. 4 NOTE: Sectioning is presented in detail in another module 3 Copyright DASSAULT SYSTEMES19 Create the Simulation 3 Create Basic Moves Attach a 2D Section to a Move Activity - Procedure With the section(s) selected click on the arrow button to send the sections to the assigned sections list. Click OK to return to the Track window. Click OK in the Track window to complete the association. 7 8 9 The section is now part of the move operation. The section(s) can be detached from the move activity in the same manor it was attached. Simply move the section from the assigned sections list to the Available Sections list. Copyright DASSAULT SYSTEMES20 Create Basic Moves Create the Simulation 3 Run the Simulation - Procedure After move activities for a simulation have been created, the simulation can be run. Each move activity is viewable separately: however, the run simulation command will go through the process in the sequence called for by the process activities. 1 2 The Initial State should have been saved when the working environment was created. If it was, then it is a good idea to restore the initial state before running the simulation. Click OK on the Restore Initial Condition for all Products and Resources. This returns the world to the condition before any movements were introduced. 3 Locate the Process Simulation icon on the Simulation toolbar 4 Select the starting point of the simulation element by highlighting it in the PPR tree. Selecting the Process node (or nothing) will run the entire simulation. Inst. Inst. Copyright DASSAULT SYSTEMES21 Create Basic Moves Create the Simulation 3 Run the Simulation - Procedure Click the Process Simulation icon. Additional toolbars become visible. Notice that the Process Simulation toolbar permits the setting of the step size of simulation. It also tracks the elapsed time. This toolbar works the same as the player toolbar and permits the playing of the simulation in sequence or in steps forward and backward, as well as jumping to the end points and looping. 5 Allows viewing of non- process activities. This will display a box that identifies each activity as it occurs. Continually adjusts the simulation step size to real time. Controls the visualization update rate. Simulation options will be addressed in another module. 6 Play the simulation. 7 When the simulation is finished or you wish to stop, click the X to close the box or toggle the Process Simulation icon to off. Inst. Inst. Copyright DASSAULT SYSTEMES22 Create Basic Moves – Exercise Copyright DASSAULT SYSTEMES23 Master Exercise – 3.5 HP Engine 3.5 HP Engine (Step 10): Create Basic Moves 20 min. Scope: This exercise will give you practice in creating basic simulation moves. It will begin with an established environment containing a process plan and the 3.5 HP engine as the product. Although most resources are hidden, the workbenches remain as a reference point. In the interests of time, no attempt has been made to develop a complete simulation study involving all of the components of the engine. Conditions: V5 and DPM Assembly Process Simulation workbench must be open. Access to the files in R16 DPM Assembly / PROJECT DATA In this exercise you will: Hide unused resources View the product parts with Explode Create basic move activities Copyright DASSAULT SYSTEMES24 Do It Yourself (1/3) Starting point Ending point Load: R16 DPM Assembly / Project Data / Process / Disassembly3 Hide Unused Resources 1. Use the Hide/ Show selection. Right click on each item in the PPR tree to hide the CHAIR, TOOLCART, AND WRENCH Copyright DASSAULT SYSTEMES25 Do It Yourself (2/3) Use Explode to look at all of the parts in the Engine Examine the PPR tree for the process plan. If there is not a process activity and product data linked to every part, then there will be conflicts when move activities are created. Use this process: 1. Highlight the Product node. 2. Select Explode from the Analysis tools toolbar. 3. Examine the parts. 4. Close the view. DO NOT alter the positions. Copyright DASSAULT SYSTEMES26 Do It Yourself (3/3) Create Basic Move Activities that will remove the following subassemblies from the engine: • Cover • Air Filter 1. Highlight the Process Activity where the move will be created. 2. Create a move activity and designate its position “as child”. 3. Check that the preview window has the correct geometry then Close the Edit shuttle box. 4. Grab the compass on an axis that will move the part away from the engine. 5. Record the move. 6. Repeat grabbing and moving the part until you can position it on the workbench. 7. Record each shot. 8. Use the player toolbar to reset and view the moves. 9. When satisfied, close the track box to finish the move activity for that part. SAVE As: R16 DPM Assembly / Project Data / Process / Simulation1 Copyright DASSAULT SYSTEMES27 Add Dynamic Clash Detection B Activate Dynamic Clash Create Moves using Dynamic Clash Inst. Inst. Copyright DASSAULT SYSTEMES28 Add Dynamic Clash Detection 3 Create the Simulation About Dynamic Clash RECALL: A basic move activity can be created without consideration of other elements in the world. Dynamic Clash is a function that will identify clash conditions as a move is being performed. Critical information regarding the direction, axis orientation, and path that the part must travel to locate properly without conflicting with any of the surrounding geometry is obtained. Activating Dynamic Clash when creating movements will assist in determining the viability of the intended movement by providing feedback when a clash condition is present. This information allows modification of the move before it is recorded and becomes part of the simulation. Using this functionality when creating moves in a simulation greatly reduces the need for editing later. Dynamic Clash can also provide early indicators of deficiencies in the process plan by demonstrating unsolvable clash conditions, thereby allowing modification of the process at an early stage of effort. While Dynamic Clash offers a great deal of visual input, it does not analyze or generate reports. This functionality will be addressed later in this course. More about Collision Detection can be found in the On- Line documentation Copyright DASSAULT SYSTEMES29 Add Dynamic Clash Detection 3 Create the Simulation Activate Dynamic Clash - Procedure 1 Locate the Clash icon on the Simulation Analysis toolbar. 2 Using the Pull down arrow, pull the Clash toolbar out of the Simulation Analysis toolbar. Clash Detection (off) - No clash information is provided. Clash Detection (on) All movement is stopped when a clash is encountered. 3 Turn on Clash Detection by selecting the Clash Detection (on) icon. Inst. Inst. Copyright DASSAULT SYSTEMES30 Create the Simulation Create Moves using Dynamic Clash - Procedure 3 Create a move for a part that appears likely to cause conflict with its surroundings. 4 5 Attempt to move the part and notice that the places where the moving part will contact other parts become highlighted in red. The red highlighted contact area will disappear when the conflict no longer exists. Add Dynamic Clash Detection Inst. Inst. Copyright DASSAULT SYSTEMES31 Add Dynamic Clash Detection 3 Create the Simulation Create Moves using Dynamic Clash - Procedure Working with Dynamic Clash Activated reduces the operating performance of the software. It is best to turn Dynamic Clash on only when required to visualize potential clash conditions, and then turn if off again. Clash Detection (off) - No clash information is provided. Copyright DASSAULT SYSTEMES32 Edit and Delete Moves Edit a Move Activity Delete a Move Activity C Inst. Inst. Copyright DASSAULT SYSTEMES33 Edit and Delete Moves 3 Create the Simulation About Editing and Deleting Move Activities The ability to modify movements greatly enhances the speed and utility of doing simulation studies. It is not uncharacteristic for a completed simulation study to be modified and reused in a slightly different context in order to have multiple scenarios to compare and evaluate. Moves can be modified or deleted at any point during or after construction of the simulation. It is also not uncharacteristic for a simulation under construction to require modification based on information that becomes apparent with the use of Dynamic Clash or other downstream analyses. Whether using Hub or file based systems, this iterative interaction with the process plan is crucial to the development of a viable study. More about Editing and Deleting Move Activities can be found in the On- Line documentation EXAMPLE: Dynamic Clash may reveal that the process activity calls for the movement of a sub-assembly which cannot be accomplished with the sub-assembly intact. In this case, the process plan requires modification to include process activities at the component level. Once accomplished, move activities can then be generated for individual parts, or part groups, in a sequence that will prevent clashing. Copyright DASSAULT SYSTEMES34 Edit and Delete Moves 3 Create the Simulation Delete a Move Activity - Procedure A complete move activity can be deleted in its entirety simply by highlighting it in the PPR tree and then using the Remove from PPR tree icon 1 A shot ( or multiple shots ) within a move activity can also be deleted so that the move activity itself remains but is modified for some new influence in the environment, e.g. the addition of a resource like a tool, human, or robot. Select the move activity that needs to be modified. Double click to open the activity. This will activate the player, recorder, and manipulation toolbars. Copyright DASSAULT SYSTEMES35 Edit and Delete Moves 3 Create the Simulation Delete a Move Activity - Procedure The example shown has 5 recorded moves (shots) Notice that the compass is attached to the part, as at the beginning of the move activity. 2 Click on the end point of the shot you wish to delete. The compass will move to that point Example: to delete this move Click here 1 2 3 4 5 Inst. Inst. Copyright DASSAULT SYSTEMES36 Edit and Delete Moves 3 Create the Simulation Delete a Move Activity - Procedure The example shown now has 4 recorded moves (shots) Click on the Delete move icon. 3 The shot disappears. View the new trajectory by running the move activity from the Player toolbar. 4 5 Record the modification and close the track. The move activity will be updated to the new condition. Copyright DASSAULT SYSTEMES37 Edit and Delete Moves 3 Create the Simulation Edit a Move Activity - Procedure 1 A shot ( or multiple shots ) within a move activity can also be edited so that the move activity itself remains but is modified for some new influence in the environment, e.g. the addition of a resource like a tool, human, or robot. Select the move activity that needs to be modified. Double click to open the activity. This will activate the player, recorder, and manipulation toolbars. Copyright DASSAULT SYSTEMES38 Edit and Delete Moves 3 Create the Simulation Edit a Move Activity - Procedure Notice that the compass is attached to the part, as at the beginning of the move activity. Click on the end point of the shot you wish to delete. The compass with the part will move to that point. 2 3 Use the compass to reposition the Part. Inst. Inst. Copyright DASSAULT SYSTEMES39 Edit and Delete Moves 3 Create the Simulation Edit a Move Activity - Procedure 4 Click on the edit shot icon. 5 The trajectory will reorient to the new shot location. This can be done as many times as desired until recorded. When the new move activity has been modified to satisfaction, close the track dialog box with OK. View the new trajectory by running play on the Player toolbar. 6 Each edit or delete must be recorded; however, any number of edits or deletes can be made until the new move activity is satisfactory. Copyright DASSAULT SYSTEMES40 Use Dynamic Clash and Edit Movements – Exercise Copyright DASSAULT SYSTEMES41 Master Exercise – 3.5 HP Engine 3.5 HP Engine (Step 11): Use Dynamic Clash and Edit Moves 20 min. Scope: This practice exercise is to familiarize you with the use of Dynamic Clash as a valuable tool for the creation of viable move activities. The feedback information from Dynamic Clash will cause re- evaluation and editing of movements that were intended or recorded and improve the reliability of new move creation. Conditions: V5 and DPM Assembly Process Simulation workbench must be open. Access to the files in R16 DPM Assembly / PROJECT DATA In this exercise you will: Turn on Dynamic Clash Edit existing movements Create additional move activities Examine collision conditions Copyright DASSAULT SYSTEMES42 Do It Yourself (1/3) Starting point Ending point Turn on Dynamic Clash and use the information to re-evaluate the existing move activities. Use Delete and Edit functions to modify existing move activities. Create move activities for the next set of parts that avoid collisions wherever possible. Load: R16 DPM Assembly / Project Data / Process / Simulation1 Copyright DASSAULT SYSTEMES43 Do It Yourself (2/3) 1. Turn on Dynamic clash detection 3. Create Move Activities that will remove the following subassemblies from the engine. Avoid clashes where possible. Edit or Delete moves to obtain the optimal path and time. • Muffler • Carburetor • Flywheel • Coil • Crankcase cover 2. Play the move activities of the Cover and Air Filter parts that were disassembled in the previous exercise. Determine if there are clashes in those moves. Use the Delete and Edit functions on the Recorder toolbar to modify the moves to avoid clashes where possible. Improve time if possible. Question for consideration • If the grid size set in the environment is in smaller increments, will it influence whether or not a clash occurs? Copyright DASSAULT SYSTEMES44 Do It Yourself (3/3) You do not need to be concerned about the location of the parts on the workbench 4. Discuss with your instructor which subassemblies have insolvable clash conditions and what would have to be done to resolve them. 5. If time permits, modify the process plan and product data links to resolve one clash condition at the part level. Use this process: •Add a component level activity •Manage the process sequence in the Pert Chart •Link the product geometry •Create a move activity for that part Save As: R16 DPM Assembly / Project Data / Process / Simulation2 Copyright DASSAULT SYSTEMES45 Add Advanced Part Motion Refine Moves with Compass Manipulation Editor Change Compass Location Use Smart Target D Inst. Inst. Copyright DASSAULT SYSTEMES46 Add Advanced Part Motion 3 Create the Simulation About Adding Advanced Part Motion Precision and efficiency are gained by using advanced part motion when creating move activities. Advanced part motion comes from sophisticated manipulation of the Compass. In an assembly study, if a part must end up in an absolute location, the move activity can be pre-set to that location. This eliminates the need for multiple move activities. If it is desirable for movements to be a some standard incremental unit of rotation (like 90 degrees) or translation (like 2 meters), then it is far more efficient to preset moves to meet these requirements. In some cases it is necessary to manipulate the part with respect to a local axis like a robot or human. In this case the part’s origin is not always useful and a change of placement of the compass is called for. More about Compass Manipulation can be found in the On- Line documentation Smart Target is a functionality that will permit the user to snap a move activity to an axis, a line or a plane. It gains efficiency by snapping into alignment rather than forcing the user to try to find it. Copyright DASSAULT SYSTEMES47 Create the Simulation 3 About - Refine moves with Compass Manipulation Editor Basic moves are created by grabbing the geometry and moving it to a location that appears to be visually acceptable. This is called relative placement. If the geometry must move to a known location, it is far more efficient to define that location and eliminate the need for visual guesswork. Efficiency is also gained in the reduction of moves thereby influencing cycle time. Likewise, if parts must rotate or move along an axis in specific increments as in automated assembly, compass parameters can be set to reflect such situations. Compass manipulation refinements can be made at the shot level of a move activity and are available as part of shot modification with editing and deleting move activities. 1 2 Select the Editor icon to open the Parameters for Compass Manipulation dialog box. Double click to activate a Move Activity, the Manipulation toolbar comes up. 3 Add Advanced Part motion The top part of the dialog box will show the current coordinates of the part involved in the move activity relative to the world origin. Set the new coordinates and click Apply. Copyright DASSAULT SYSTEMES48 Add Advanced Part motion Create the Simulation 3 About - Refine moves with Compass Manipulation Editor The top part of the box indicates the current location (relative to the world origin) of the part involved in the move activity. Revising these settings to a known set of coordinates will cause the part to move to the identified location and angle. Click Apply once changes are made. Defining the position and angle of the move does not consider clash conditions. If multiple moves are required, the absolute position can be set as the first or last shot of a move activity. In this example any move activity that is initiated will only be able to move in 500 mm increments and any rotations will occur only every 45 degrees. The constraint was applied to every direction. The bottom part of the box permits the designation of the linear distance and/or the rotational angle for each compass move. Copyright DASSAULT SYSTEMES49 Create the Simulation Refine Moves with Compass Manipulation Editor - Absolute Location - Procedure Add Advanced Part motion 3 1 Double click on a move activity to open it, then select the Editor from the Manipulation toolbar. For a new move activity, input the coordinates of the absolute position, or make basic moves to avoid clash, then set the absolute position. Click apply. 2 To edit a move activity, delete activities that are extraneous to the final location. 3 Position the compass on the shot point from which the move to the absolute location will begin. Input the coordinates of the absolute location. Click apply. 4 5 6 Record the new shot. Inst. Inst. Copyright DASSAULT SYSTEMES50 Add Advanced Part motion 3 Create the Simulation Refine Moves with Compass Manipulation Editor – Incremental Units - Procedure Double click on a move activity to open it, then select the Editor from the Manipulation toolbar. 1 2 Input the desired linear translation increments along each axis. 3 Input the desired rotation increments along each axis. Move the part using the compass and note the movement reflecting the designated increments. 4 5 Record each shot. Inst. Inst. Copyright DASSAULT SYSTEMES51 Add Advanced Part motion 3 Create the Simulation About – Change the Compass Location When creating basic move activities, the part is manipulated with the part’s origin relative to the world origin. If there is another influence in the manipulation of the part, like a human hand, or automated pick and place, it will be more effective to see the move from the vantage point of the physical contact. Moving the compass to the location where the part will be handled will allow the simulation to represent more realistic visualization of the process, even without the resources being present. Identified point of contact for handling. Moved compass. Inst. Inst. Copyright DASSAULT SYSTEMES52 Add Advanced Part motion 3 Create the Simulation Change Compass location - Procedure Activate an activity so that the Manipulation toolbar comes up. 1 2 The compass is attached so the Attach/Detach icon is active (orange). Detach the compass by clicking on the Attach/ Detach icon. The icon will change to a released hand and the compass will turn white. Place the cursor over the compass until the crossed arrows appear then move the compass to the desired new location and release. 3 4 5 Notice that an open hand and a dot indicate the original position of the compass. Any movements created will now be in reference to this location on the part. Re-attach the compass to this location with the Attach/Detach icon. The icon show the attached hand and turns orange again. The compass will turn green again. Copyright DASSAULT SYSTEMES53 Add Advanced Part motion 3 Create the Simulation About – Using Smart Target Smart target is a functionality that will allow the user to snap a move activity to a plane, line or axis. It is useful for aligning a move with a location rather than estimating it visually. This reduces the recording and editing of unnecessary move activities, again influencing cycle time. As part of the Manipulation toolbar, once activated, the Smart Target function has a selection of ways to align a part location to the target location. The selection can be chosen to constrain the type of targeting or it can left at the default “any geometry.” The cursor will display the type of selection that will be made as it identifies legitimate selections for targeting. The part can be inverted by symmetry which creates a mirror image but changes the data The part can be flipped The Dynamic Smart Target function will not display a dialog box because it permits free selection of a series of constraints to align. These constraints must be selected between the part to be moved and the final location of the part. All of the same features can be selected; lines, planes, axis, points, etc. Once selected, moving the part to proximity of the target will cause the part to snap into place. Inst. Inst. Copyright DASSAULT SYSTEMES54 Add Advanced Part motion 3 Create the Simulation Use Smart Target - Procedure 1 Open or Create a move activity. Click OK in the Edit shuttle dialog box. The cursor will designate: A Plane A line A point A cylinder A circle A V4 Axis Select Smart Target icon from the Manipulation toolbar. 2 3 4 Constrain the selection or leave the default set to Any geometry. Move the cursor over the part geometry until you find a plane, axis, line or point that you wish to align, then click to select. In this example, the axis of the hole in the crankshaft cover was aligned with the axis of the crankshaft. Copyright DASSAULT SYSTEMES55 Add Advanced Part motion 3 Create the Simulation Refining movements by using Smart Target - procedure 5 Move the cursor to the destination location and identify a plane, axis, line or point that is to be aligned with the first selection. Click to set. The part will jump to the alignment designated. Smart Target remains active until toggled off. This permits reuse of targeting until complete. 6 A possible next target would be to align the top line of the part to the matching line on the block Record the move. Using Dynamic Smart Target allows the selection of multiple points to reference between the part and the target location rather than just one at a time. Copyright DASSAULT SYSTEMES56 Run, Compile and Replay Run the Simulation Compile the Simulation Replay the Simulation E Inst. Inst. Copyright DASSAULT SYSTEMES57 Run, Compile and Replay 3 Create the Simulation About Running, Compiling and Replaying Simulations Once move activities for a simulation have been created, the simulation can be run. Each move activity is viewable separately. However, the run simulation command will go through the process in the sequence called for by the process activities. Compiling a simulation is the means to save a simulation in its current state. This is useful if variations on a baseline process are part of the study as this will save time in recreation. Compiling each variation of the process will capture that variation’s advantages and disadvantages and offer a potent tool for discussion and evaluation. It is sometimes necessary to compile the simulation in order to conduct analyses. Replay is a means of viewing a compiled simulation. The replay of a simulation can be captured as an AVI to facilitate communication. More about Running, Compiling and Replaying simulations can be found in the On-Line documentation Copyright DASSAULT SYSTEMES58 Run, Compile, and Replay Create the Simulation 3 Run the Simulation - Procedure Once move activities have been created, the simulation can be viewed. The Initial State should have been saved when the working environment was created. If it was, then it is a good idea to restore the initial state before running the simulation. Click OK on the Restore Initial Condition for all products and resources. This returns the world to the condition it was in prior to any movements being introduced. 1 2 Locate the Process Simulation icon on the Simulation toolbar. 3 Select the starting point of the simulation element by highlighting it in the PPR tree. Selecting the Process node (or nothing) will run the entire simulation. Inst. Inst. Copyright DASSAULT SYSTEMES59 Run, Compile, and Replay Create the Simulation 3 Run the Simulation - Procedure Click the Process Simulation icon. Additional toolbars become apparent. Notice that the Process Simulation toolbar permits the setting of the step size of simulation. It also tracks the elapsed time. This toolbar works the same as the player toolbar and permits the playing of the simulation in sequence or in steps forward and backward as well as jumping to the end points and looping. 4 Allows viewing of non- process activities. Turning this on will display a box that identifies each activity as it happens. Works in conjunction with the replay button. Continually adjusts the simulation step size to real time. Simulation options will be addressed on the following page. Controls the visualization update rate. 5 Play the simulation. 6 When the simulation is finished or you wish to stop, click the X to close the box or toggle the Process Simulation icon to off. Copyright DASSAULT SYSTEMES60 The Simulation Options pallet gives the user the ability to dictate the actions of the enhancement activities. Create the Simulation 3 Run, Compile, and Replay Run the Simulation - Procedure Activities can be individually activated or deactivated, however clicking on the Enable button will make a uniform change. When Process (default) has been selected as an activities behavior the activity is carried out from its insertion point to the end of the process. However , when Parent is set as an activities behavior the activity is limited to the operation it was assigned. When set to Pause, a Hyperlink activity will pause the simulation until the user resumes the simulation manually. Copyright DASSAULT SYSTEMES61 Run, Compile, and Replay Create the Simulation 3 Compile the Simulation - Procedure When the simulation is satisfactory - Compile the simulation to save it. From the Simulation toolbar select the Compile Simulation icon. 1 2 The Compile Simulation dialog box appears. Name this iteration of the simulation some unique name. 3 4 5 Set the step size larger to run faster if desired. If Retain Initial State is activated all elements present are retained. If not then only the products and resources assigned to activities are retained. 6 Click OK. 7 If the Applicative Data option was set through Tools/Options then the name of the replay will be seen in the PPR tree under the Applications node. Copyright DASSAULT SYSTEMES62 Run, Compile, and Replay Create the Simulation 3 Replay the Simulation - Procedure A compiled simulation is viewable through replay. 1 From the Simulation toolbar, select the Replay icon. The Replay toolbar appears. It works like the other player toolbars. The Replay options will allow you to change replays and the speed selection will allow you control the speed of the replay. 2 Play the simulation in the desired mode. A replay is a captured state of a compiled simulation. Changes made to the process after the replay was created will not be included. It is not unusual to have multiple replays of the process in various stages of development or in the context of various scenarios. Copyright DASSAULT SYSTEMES63 Use Advanced Motion Techniques and Compile a Simulation – Exercise Copyright DASSAULT SYSTEMES64 Master Exercise – 3.5 HP Engine 3.5 HP Engine (Step 12): Use Advanced Motion Techniques and Compile the Simulation 20 min. Scope: In this exercise you will finish the disassembly of the engine while practicing the use of Advanced Movement techniques. When you have completed the disassembly you will compile the simulation an run the replay Conditions: V5 and DPM Assembly Process Simulation workbench must be open. Access to the files in R16 DPM Assembly / PROJECT DATA In this exercise you will: Create additional move activities that use absolute location and incremental units Change the compass location Use Smart Target to snap a part to an assembly Copyright DASSAULT SYSTEMES65 Do It Yourself (1/5) Starting point Ending point Use the advanced movement techniques to disassemble the rest of the engine, then compile the simulation for replay. Load: R16 DPM Assembly / Project Data / Process / Simulation2 Copyright DASSAULT SYSTEMES66 Do It Yourself (2/5) 1. Remove the Head Assembly to this Absolute location. 3. Detach the compass from the part origin and relocate it at the end of the Crankshaft. 2 Remove the Exhaust valve, Intake valve, and Cam in these incremental units. Question for consideration. Is it possible to locate these parts on the workbench in these increments? Copyright DASSAULT SYSTEMES67 Do It Yourself (3/5) 4. Remove the Crankshaft and put it on the workbench but DO NOT record the movements. 5. Use Smart Target to snap the axis of the Crankshaft to the hole in the block. • Select Smart Target. • Select the axis of the Crankshaft. • Select the axis of the hole in the block. • Record the move. Copyright DASSAULT SYSTEMES68 Do It Yourself (4/5) 6. Continue using Smart Target to snap the plane of the Crankshaft to the plane of the hole opening in the block. • Start position– the crankshaft axis is aligned with the hole axis. • Select the plane of the crankshaft. • Select the plane of the hole opening. • Record the move. Start position Select plane of the hole opening. Select the plane of the crankshaft. Copyright DASSAULT SYSTEMES69 Do It Yourself (5/5) 8. Your screen should have the Crankshaft correctly placed in the hole of the block. 9. Compile the simulation and name it Engine Replay 1. Save As: R16 DPM Assembly / Project Data / Process / Simulation3 Copyright DASSAULT SYSTEMES70 3 Create the Simulation – Module Summary Summary This module is the heart of creating a basic simulation. There is much more that can be done; however, the process can now be viewed and initial conclusions can be drawn. Coming Up Enhance the simulation Add text, change viewpoints, create pauses and delays, insert messages, and other enhancements. 3 hours
