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Questions related from Samuel Ayinde
I am linking Comsol with Matlab. I can compute the strain energy density on the nodes of the finite element (Ws) and the unit is J/m^3. But I need the strain energy on each element of the finite...
01 January 2019 9,233 1 View
Please, can someone help me find the derivatives in this attachment? You can solve it in the attached word document. Thank you so much.
01 January 2019 1,136 0 View
Please, how I can set up level set in Comsol multiphysics which can be used for solving three dimensional problem? Thank you so much.
07 July 2018 573 4 View
Good day, Please, I need help: I have this signed-distance function code and I need to implement it directly inside Comsol (please, note that I do not want to couple Comsol with Matlab), but I...
07 July 2018 6,996 0 View
I have a 3D model in comsol (Please, find the attached comsol model). I want to get the x, y and z coordinates of the model. And I want to use the z coordinate as design variable. the ultimate...
10 October 2017 3,797 1 View
Please, I need help on how to implement topography optimization and bead optimization to improve structural stiffness of engineering component in Comsol. Thank you.
08 August 2017 8,215 0 View
Please, how can I output global displacement (U) in Comsol? I want to calculate the compliance of my model. (Please, see the attached Comsol code). compliance = U transpose x Global stiffness...
07 July 2017 9,660 4 View
I am using COMSOL Multiphysics 5.2a with MATLAB. Please find the attached MATLAB code generated from COMSOL. I already have the codes to generate the perimeter and the area of the...
07 July 2017 4,469 1 View
Please help: I have a model in Comsol. I want to output y displacement result at some points [73 74 113 114 151 154 191 194 229 234 269] in the model. But the code is outputing the displacement in...
05 May 2017 1,778 0 View
Please, how can I apply force boundary condition to a node of an FEA model in Comsol Multiphysics 5.2a? Thank you.
05 May 2017 8,370 4 View
Please, I want to create a geometry in Matlab and issue a command from Matlab to Patran (or any other dedicated software) to mesh the geometry and return an output file which will be an input file...
05 May 2017 4,775 4 View
Please, help me: I want to optimize a model. I am using Matlab for the optimization, Hypermesh as a pre-processor for my model and Abaqus as my FEA solver. I want to control all the operations in...
05 May 2017 4,379 2 View
Hello, Please, help: I generated some Abaqus input files from Hypermesh. I want run the FEA with Abaqus directly from Matlab environment (I don't want to open Abaqus). After running each input...
05 May 2017 4,919 3 View
I created a plain two-dimensional model in MATLAB using the coordinates of the boundary. I want to 1. Mesh the model with a dedicated meshing software. 2. Export the mesh to FEM software (e.g....
04 April 2017 3,976 5 View
Each of the squares or rectangular elements is made of different materials with different Young's Modulus (see the picture below). I can compute the 8 x 8 stiffness matrix for each of the...
03 March 2017 1,951 5 View
Please see the attached picture. I have the x-displacements and y-displacements for node 13, 14 and 15. (I do not have force boundary condition). I want to apply the given nodal displacements as...
03 March 2017 9,905 5 View
In finite elements, I have an element (please see the attached picture) with different stress distributions on its different edge. Please, how can I resolve the stress distributions on the edge...
03 March 2017 8,984 4 View
Please how can I write the stiffness matrix for a component made up of several materials as shown below?
02 February 2017 272 1 View
I want to compute nodal displacements from nodal stresses. This is my approach: I implemented an FEA using force as the boundary condition. And I obtained displacements D1. With my displacements,...
02 February 2017 519 8 View
I have the x and y displacements on each of the node of the finite elements of a structural member. How can I compute the compliance of the structural member, given these x and y displacement on...
01 January 2017 5,760 2 View
How can I compute the material elasticity tensor for a finite element in topology optimization?
01 January 2017 2,077 5 View
Using the example of the attached table from the paper of Eraly et al, please can someone explain how to compute the p values for comparing results from two different samples? We are comparing...
06 June 2016 1,009 0 View
Please, In a concise form, - What is wrench matrix? - Given K = stiffness matrix and W = Wrench matrix, why is K = W * WT and what does that mean? Thank you.
02 February 2016 9,936 0 View
Henri P. Gavin ("Mathematical Properties of Stiffness Matrices") gave some information about eigenvalues of stiffness matrices. "http://people.duke.edu/~hpgavin/cee421/matrix.pdf" I need a simpler...
01 January 2016 9,547 6 View
If the eigenvalues of my 6 x 6 stiffness matrix are 100, 1200, 1250, 1300, 1320, 1330, what do these values mean? How can I locate the points of applications of each of these eigenvalues on my...
12 December 2015 6,091 2 View
