How to get the force value of fixed wall

I simulate the floatings by using DCDEM, there are collisions between floatings and fixed walls, I want to get the force value of the wall, is it possible?

I would be grateful for any suggestions

Tom

Comments

  • You can find some examples about how to get the force of fixed walls...

    I invite you to navigate through the PDF files you can find in DualSPHysics_v5.0\examples.

    One of those examples is DualSPHysics_v5.0\examples\main\01_DamBreak

  • This is an embed external element. It can be deleted using the delete key or the backspace key. To view the full element, press the preview button below.

    You can find some examples about how to get the force of fixed walls...

    I invite you to navigate through the PDF files you can find in DualSPHysics_v5.0\examples.

    One of those examples is DualSPHysics_v5.0\examples\main\01_DamBreak

    Hi, Alex

    I am very sorry to reply to you so late. I understand and thank you for the approach.

    Thank you so much

    Best regards

    Tom

  • This is an embed external element. It can be deleted using the delete key or the backspace key. To view the full element, press the preview button below.

    You can find some examples about how to get the force of fixed walls...

    I invite you to navigate through the PDF files you can find in DualSPHysics_v5.0\examples.

    One of those examples is DualSPHysics_v5.0\examples\main\01_DamBreak

    Hi @Alex, I would like to ask mu query regarding similar problem.

    In DamBreak example, we are -

    <!-- Creating void where building is present .... -->
              <setmkvoid />
              <drawbox>
                <boxfill>solid</boxfill>
                <point x="0.9" y="0.24" z="0" />
                <size x="0.12" y="0.12" z="0.45" />
              </drawbox>
    
    <!-- Creating faces.... -->
              <setmkbound mk="1" />
              <drawbox>
                <boxfill>top | left | right | front | back</boxfill>
                <point x="0.9" y="0.24" z="0" />
                <size x="0.12" y="0.12" z="0.45" />
              </drawbox>
    
    <!-- Giving left face a different mk number, here mk = 10, so that we could calculate force on that face by using computeforces... -->
              <setmkbound mk="10" />
              <drawbox>
                <boxfill>left</boxfill>
                <point x="0.9" y="0.24" z="0" />
                <size x="0.12" y="0.12" z="0.45" />
              </drawbox>					
              <shapeout file="Building"/>
    
    <!-- In computeforces command we need to give onlymk as mk + 10 i.e. onlymk:20  -->
    
    


    Could you please confirm if my understanding is correct?


    Thank you.

  • Referring to above question, I would also like to ask a follow up question. Suppose, we are instead using a stl file of building. There we need to assign mk value to whole stl geometry. How can we then compute forces on that particular face?

    Like for my case I have done -

    					<!-- Building -->	
    					<setdrawmode mode="face" />
    					<setmkbound mk="1"/>
    					<drawfilestl file="building.stl" objname="building" autofill="false">
    						<drawscale x="0.001" y="0.001" z="0.001" />
    						<drawmove x="25.79" y="2.75" z="0.8" />
    					</drawfilestl>				
    					
    

    Please let me know how can we achieve the same using stl?

    Thank you.

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