#  Create Loads 

 



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  expand\_more  

 
  

 

####  Create sets and surfaces

 Firstly, we create a new set named 'fixed-end', by clicking '**Tools > Set > Create**' button.

   ![load-1.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-1.png?itok=CERXcxQQ) 

 

 Continue and click on the faces (red) of the part that is going to be fixed.

   ![load-2.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-2.png?itok=3Aw_KeNB) 

 

 Repeat the operations above to create a new set called 'External load'.

   ![load-7.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-7.png?itok=gLV6WlOq) 

 

 Continue and select the two points (red) to be exerted force.

   ![load-8.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-8.png?itok=7F-eR9KS) 

 

 Then, we hide the frame using the button **Remove Selected**, only appearing airbags as the figure below.

   ![load-3.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-3.png?itok=ALe79mXr) 

 

   ![load-4.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-4.png?itok=QxJ9hXna) 

 

 Next, we create another set named 'air bag' by clicking '**Tools > Set > Create**' button again.

   ![s](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-plus-1.png?itok=KYu_TF7M) 

 

 Continue and select all the airbags as a set that is going to be constrained afterwards.

   ![load-22.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__960x960_scale/public/srtsandbox/files/load-22.png?itok=PKhlW5Pb) 

 

 Then, create a surface also named 'air bag' by clicking '**Tools > Surface > Create**' button.

   ![load-5.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-5.png?itok=L9wgaY-i) 

 

 Click 'Brown' to select the internal face of these airbags.

   ![load-6.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-6.png?itok=u1kK-AWG) 

 

####  Create loads

 Under the 'Step-1', create a load named 'pressure' and activate **Pressure** as the selected type for the step.

   ![load-9.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-9.png?itok=nX1e2fOk) 

 

 In the **Region Selection** window that appears, select the surface 'air bag' which we created earlier.

   ![l](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-10.png?itok=4nGQATQS) 

 

 At the next window provide the pressure value to be applied in the airbags by setting **Magnitude** as 0.1 Mpa.

   ![load-11.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__960x960_scale/public/srtsandbox/files/load-11.png?itok=cCf0ii4y) 

 

 Next, we create a load of external force in 'Step-1' named 'External load' with type of **Concentrated force**.

   ![load-12.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-12.png?itok=R1nzDMs3) 

 

 Select set 'External load' which we create earlier.

   ![load-13.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-13.png?itok=OIEDyVnq) 

 

 Continue and set **CF3** as 0.2 N exerted on the two points (red) at the manipulator's tip.

   ![load-14.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-14.png?itok=pKO4oJff) 

 

 Then, create another external load named 'External load 2' in 'Step-2' with types of **Concentrated force**.

   ![load-15.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-15.png?itok=btOW7sND) 

 

 This load is implemented as a force in the opposite direction of the prior one, with a magnitude of 0.15 N (**CF3** set as -0.15).

   ![load-16.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-16.png?itok=ESyOZYdo) 

 

####  Set boundary conditions

 Create a new boundary condition named 'fixed' in step 'initial' and select **Symmetry/Antisymmetry/Encastre**.

   ![load-17.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-17.png?itok=T9l-EzYR) 

 

 In the next window select set 'fixed end'.

   ![load-18.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-18.png?itok=stz4cMoX) 

 

 And select **ENCASTRE** to fix the red regions.

   ![load-19.png](/sites/g/files/omnuum4601/files/styles/hwp_1_1__960x960_scale/public/srtsandbox/files/load-19.png?itok=dEbis8ns) 

 

 Next, create new boundary condition named 'limited' in 'Initial', with the same property as the prior.

   ![l](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-plus-2.png?itok=oePAWUc3) 

 

 And select **YSYMM** to make airbags unable to move in y-axis.

   ![i](/sites/g/files/omnuum4601/files/styles/hwp_1_1__360x360_scale/public/srtsandbox/files/load-plus-3.png?itok=FvYLgb-8) 

 

 Finally, we can check the load, boundary information in **Load Manager** and **Boundary Condition Manager**.

   ![load](/sites/g/files/omnuum4601/files/styles/hwp_1_1__720x720_scale/public/srtsandbox/files/load-20.png?itok=VbpMPVl6)