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Questions related from Samuel Ayinde
I am using Comsol with Matlab livelink. Please, find my attached Matlab code and mph file. Directly in Comsol matlab code, I computed phi0 which gives the initial values of variable phi on each of...
17 January 2019 308 2 View
I have come across some resources that deals with topography optimization. But it seems like its fundamentals has become a common knowledge such that those resources seems not to deal with this...
29 August 2017 6,964 0 View
I want to apply displacement boundary condition at some specific locations on my model in hypermesh (Optistruct). The locations are not on the mesh nodes. Please, see the attached picture. I...
17 August 2017 6,451 3 View
I want to apply four displacement boundary condition to the attached model in hypermesh (I am working in Optistruct). Please, help me out or explain how I can achieve it: x_disp = x...
14 August 2017 8,951 2 View
I have lines . I want to join them together with smooth curves in order to have a two dimensional geometry. (Check the attached picture). For each curve, I have the coordinates of the starting...
12 July 2017 2,471 5 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...
03 July 2017 3,184 1 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 1,380 3 View
Please, how can I output the stiffness matrix in abaqus? I also want to output the stresses, displacements and strains on all the nodes simultaneously in a single text file. Thank you.
24 April 2017 9,297 22 View
I need to set up structural shape optimization of an engineering component in MATLAB. I need: 1. A matlab code for structural shape optimization 2. An access to the procedure for writing the code...
11 April 2017 9,565 5 View
I have a structural component in Abaqus and I would like to optimize the shape. Please, how can I implement shape optimization in Abaqus?
11 April 2017 2,925 9 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...
21 March 2017 5,686 4 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...
01 March 2017 2,857 4 View
Please how can I write the stiffness matrix for a component made up of several materials as shown below?
27 February 2017 9,904 1 View
Please, how can I model 2D shell material (the figure below) in Abaqus. Each of the material has its young modulus different from the other. How can I cut the 2D part into different sections and...
27 February 2017 1,585 3 View
Please, what is the length of the square element used to discretize the design domain in "A 99 line topology optimization code written in Matlab" by O Sigmund? Thank you.
30 January 2017 5,638 4 View
How can I compute the material elasticity tensor for a finite element in topology optimization?
23 January 2017 3,212 4 View
I have a square-shaped finite element ABCD. I have x-displacement and y-displacement for each of its 4 nodes (x1,y1), (x2,y2), (x3,y3), (x4,y4). I created a finer mesh. As a result, my finite...
09 January 2017 8,605 2 View
While implementing a specification flow down in the design of a structure from system level to component level, what should be the boundary conditions at the component level? Thank you.
30 December 2016 3,830 2 View
Please, what can you say about the precision of 3D-printed patient-specific orthopedic surgical guides? How is its precision impacted during these processes: - Imaging of the bone model -...
07 March 2016 5,510 17 View
It is mentioned in literature that using patient-specific instruments 3D-printed patient-specific orthopedic surgical guides (e.g MySpine by Medacta and OtisMed by OtisKneeTM) for surgery is...
02 March 2016 3,937 3 View
Please, what can you say about the accuracy of 3D-printed patient-specific orthopedic surgical guides? How is its accuracy impacted during these processes: - Imaging of the bone model -...
02 March 2016 7,646 3 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...
27 December 2015 6,726 2 View
