Discussion forum about Finite Element Method and its applications | Contact experts in Finite Element Method to get answers
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Questions related to Finite Element Method
partia
04 April 2019 1,045 1 View
An algorithm is also welcome.
03 March 2019 6,317 2 View
Dear all, Is it necessary to find the weak formulation always in the vector form for calculating the estimates? Is it possible to work out with individual equations?
03 March 2019 4,627 2 View
I'm looking for a numerical method to solve the space-fractional reaction-diffusion equation. What is the best numerical method to solve 2D space-fractional partial differential equation?...
03 March 2019 4,647 12 View
Hello everyone, I want to simulate SKF bearing 6308 in ANSYS Workbench explicit dynamic. I created the model as below, but for simplifying the model, I used 3 balls for the bearing. The inner...
03 March 2019 7,164 4 View
In abaqus, tie constraint could coupling many nodes. My question is how the abaqus defines tie constriant when solving linear equations in FEM. I need to do some optimization after tie...
03 March 2019 6,025 3 View
Dear All, What is the best way to avoid the singularities in analysis and design of reinforced concrete slabs if they are subjected to concentrated loads using FEM design software for reinforced...
03 March 2019 10,005 1 View
I'd like to have some explanation
03 March 2019 5,812 1 View
Hi every one, I'm trying to solve a FEM model in Abaqus but the boundary condition is a function, not a specific value. Can someone tell me how to apply this in Abaqus? I'm very appreciate with...
03 March 2019 3,991 3 View
I am willing to calculate the damping of a cantilever beam by using the Half-power bandwidth method. For that, I need to calculate the FRF where I plot m.s2/N against Hz. I have both the...
04 February 2019 7,374 1 View
5 finite element models for vibration problems, based on, Modified Rayleigh-Ritz, Galerkin, Least Square, Pian's Hybrid and Collocation methods for nonlinear vibration problems.
03 February 2019 6,851 7 View
Hi, I am working on soil model in Abaqus. Which material model is best suited for this task.
02 February 2019 6,015 15 View
Dear Colleagues, Does spectral element method can be used on non-rectangular domains, let say circular domai, as it can be done with FEM? Are there any references? Best regards.
02 February 2019 4,517 1 View
how we devloped a finite element method simulation to predict a detailed temperature history of the material as well as residual stressand distortion?
02 February 2019 9,980 2 View
I want to simulate XFEM in ABAQUS. However, I do not have enough information about it. Although, I have extensively simulated FEM and have studied many references about XFEM, I need to improve my...
02 February 2019 4,796 6 View
what is voxel based meshing in ABAQUS/ DIGIMAT/ TEXGEN/WISETEX. what are its importance and drawbacks?
02 February 2019 2,785 2 View
I have some questions about periodic boundary(PBC) condition that is used in FEM. 1. How to add PBC condition in the model? this is a abaqus model named PBC to add shear condition. The case for...
01 January 2019 10,381 8 View
How could I introduce the prestress in beam or a rock mass through prestressed cable under tensile load in Finite element method? I am looking for the basic procedure.
01 January 2019 4,579 3 View
What are the advantages and disadvantages of analytical and semi-analytical methods over numerical methods like FEM and FDM? I am looking for detailed advantages and disadvantages.
01 January 2019 8,053 3 View
Hello everyone, I've implemented a FEM code in matlab, and now I'd like to make it faster. Since I have to perform nonlinear dynamic analysis, I have a lot of iterations, each one requiring to...
01 January 2019 7,107 3 View
In short, I need to know the exact comparison between both of the finite element approach types. And also its advantages will be useful. Thank You, Basil
01 January 2019 4,536 3 View
In variational approach of Finite Element Method, if the functional has more than one dependent variable, extremizing it would give us as many number of differential equations as the number of...
01 January 2019 4,769 0 View
There are different types of boundary conditions commonly encountered in the solution of partial differential equations: Dirichlet boundary conditions Neumann boundary conditions Robin boundary...
01 January 2019 1,119 0 View
I want to know if there are some works on Linear Hexahedral elements shape functions in Cartesian coordinates (x, y, z) and exact integration, all what I have found is expressed in natural...
12 December 2018 8,572 0 View