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Articles by: Irfan Zardadkhan, PhD, CSWE

Irfan holds a PhD in Aerospace Engineering and is as Elite AE. He contributes regularly to the SIMULATION and COMPOSER tech blogs. He has won the TenLinks Top blogger award for SOLIDWORKS. He has presented at local user groups and at SOLIDWORKS World.

SolidWorks Simulation – Shell Thickness in Design Study [VIDEO]

When performing design studies in SolidWorks, you can typically link the dimensions within the model to design study parameters and then vary those dimensions to undertake design studies or design optimizations. If you use shell elements in an analysis then the thickness of the shell is defined within the simulation setup and is not part of the model itself. To perform a design study on the thickness of the shell, the thickness needs to be linked to a simulation parameter. To define this parameter, the Link Value option within the shell definition property manager can be used. Once the link value option is selected, a Parameters dialog box pops up. This can then be used to define a “Simulation Parameter” and linking this parameter to the thickness definition of the shell. Once the parameter is appropriately…

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Which Solver? FFEPlus vs. Direct Sparse – PART 1

SolidWorks simulation provides two options to solve the set of FEA algebraic equations; iterative or direct solution methods. The iterative solver, FFEPlus, uses approximate techniques to solve the problem. It assumes a solution and then calculates the associated errors. The iterations continue until the errors become acceptable. The…

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SolidWorks Simulation Validation Library

I see a number of people trying to create simple simulation studies and then comparing the results to hand calculations of well known problems. Although this is a good practice to gain confidence in the results obtained by SolidWorks, at times it is tedious and…

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SOLIDWORKS Simulation Beam Joint Reactions [VIDEO]

SOLIDWORKS Simulation Beam Joints

My tech tip of the day is the new functionality for obtaining SOLIDWORKS Simulation Beam Joint beam joint reactions. Now it is possible to list reaction forces and reaction moments at beam joints that have fixed translations or rotations. After the simulation is completed, right…

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Irfan’s SW 2013 Flow Simulation Pick of the Day: Flow Leakage Browser [VIDEO]

My SolidWorks Flow Simulation 2013 pick of the day is the new leakage browser functionality. Hidden within the lids creation tool is the leakage tracking functionality. It helps you quickly locate holes or displacement gaps within the flow models. The tool works by selecting a pair of faces, one on the inside of the flow domain and one on the outside of the flow domain and then finds a connecting path between the two faces. The only way to get from one face to the other would be through a hole or a gap. This tool can really help debug issues with flow domains which would have required a lot of manual effort in the previous releases. Watch the video below to see the tool in action.  

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Simulation: Shell Elements vs. Solid Elements

A number of people are quite reluctant to use shell elements vs. solid elements. Shell elements can be a huge time save since they allow the modelling of thin features with relatively much fewer elements than solid elements. They are also easier to mesh and…

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