Questions tagged [solidmechanics]
The solidmechanics tag has no usage guidance.
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Finite element method for 3D built-up structures using two materials
I wish to do finite element calculations of a steel structure supported on rubber blocks. As a warm up problem I make an all steel structure as follows.
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How to manage tensor in mathematica
I open this topic because I would like to ask the community how to handle this tensor sum regarding solid mechanics.
I apologize if what comes next will generate some confusion, but I am new to using ...
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2
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Finite Element beam model with three supports
I have defined a 3 support beam, with a uniform load over part of the span. The end BC are simple to define - deflection and moment = 0. The midspan BC for deflection =0 but but the moment can not ...
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Stabilise equations for motion of Inextensible string subject to spatially non-uniform forces
I would like to simulate the motion of an inextensible membrane in 1D as an inextensible string subject to spatially-dependent body forces. For now, I would like it to be constrained at both ends. I ...
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How to interpolate and visualize a finite element integration point solution
I can intepolate the nodal solution using the function ufun = ElementMeshInterpolation[{mesh}, nodalsol] and visualize the nodal solution with the function ...
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Minimizing stress and deflection (separately) using higher-order theory for static analyses of functionally graded cantilever beams
I wanted to generate an FGM beam's optimized volume fraction, minimizing stress and deflection separately. I wanted to use the following article as a reference for the related equations.
DOI 10.1007/...
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Animating a double spring spherical pendulum
I want to make an animation of a double spring spherical pendulum. The first mass is connected to the ceiling with a spring, and the second mass is attached to the first one with a spring too. The ...
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NDSolve over derivatives of Heaviside function
I am trying to numerically solve for the strain of a Maxwell material in response to a step stress. The governing equations are $$\dot{\sigma} + \sigma = \dot{\varepsilon}$$ and I want to find $\...
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Simulating buckling
We are trying to implement buckling using a newly implemented FEM solver. However, if we try to reproduce the buckling phenomena using a thin rod, it is just compressed, and we cannot observe the ...
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How to find the analytical or numerical solution of a system of partial differential equations?
I am trying to use mathematica to solve a system of second-order partial differential equations, but I have been unable to solve it. The code of mathematica is as follows:
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FEM stress analysis by considering bending moment
I found an example of using FEM for stress analysis in the forum, the code provided by @user21, which is very friendly for beginners.
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Solid Mechanics FEM Simulation with Different Material Properties
How would I assign different material properties to the "bar" and "support"? Meaning, for example, the bar would be assigned the properties of single-crystal Copper and the support ...
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Displaying NDEigensystem Results
I want to display a collection of deformed meshes in a GraphicsGrid where the surface colors are proportional to the displacement.
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Where to find SolidMechanicsExtendedStrain and SolidMechanicsExtendedStress?
The introduction to solid mechanics from Wolfram:
https://reference.wolfram.com/language/PDEModels/tutorial/StructuralMechanics/SolidMechanics.html#775646651
mentions two functions:
PDEModels`...
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Alternative Material Models for Finite Element
The Solid Mechanics capabilities of Mathematica make it an interesting alternative to using other software especially when considering multi-physics problems. I would like to collect here (for the ...
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