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Isoparametric Elements
As mentioned above, to form a mesh over a general region the elements must be…
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Lagrange Interpolation Method:
In FEM, Lagrange interpolation method is used for the polynomial interpolation. The formula was named…
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Natural Coordinates
Natural coordinate system is basically a local coordinate system which allows the specification of a…
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Shape Function
The shape function is the function which interpolates the solution between the discrete values obtained…
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Completeness
The elements must have enough approximation power to capture the analytical solution in the limit…
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How to Measure Convergence
So now that the importance of convergence has been discussed, how can it be measured?…
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What is Convergence in Finite Element Analysis?
A typical engineering design involves the prediction of deflections/displacements, stresses, natural frequencies, temperature distributions, etc.…
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Higher-order Elements
Becoming more popular in the finite element field, higher-order elements capture a more complex data…
Posted inFinite Element Method of Analysis
Different Mesh Refinement Metrics
Studying convergence requires choosing an appropriate mesh refinement metric. This metric can be either local or…
Posted inFinite Element Method of Analysis
What Is Finite Element Mesh Refinement?
Engineers and scientists use finite element analysis (FEA) software to build predictive computational models of real-world scenarios.…