Convergence of Numerical solution may depend on the conditionning of the problem's matrices.
An ill-conditionned matrix produce singulariy cases. This is due to bad shaped elements in
structural mechanics: nearly degenerated elements with zero area (in 2D) or zero volume (in 3D)
The conditionning can be analyzed by numerical algorithms or existing commands in order to
detect these problems.
Sometimes a change of notation can advance thought. In today's blog the tradition of numerals 6,7,8, and 9 will be challenged.
Suppose the five letters a, b, c, d, and e are used to represent numbers satisfying
a + 1 = 0, b + 2 = 0, c + 3 = 0, d + 4 = 0, e + 5 = 0.
Hi, please help me on the simulation on the orthotropic material in ABAQUS. I have the parameters for the material density=1584;
Ex=127.9e9
Ey=10.27e9
muxy=0.22;
muyx=0.0177;
Gxy=7.312e9;How can i use the orthotropic or engineering constant to simulate the material. I want to calculate frequency for orthotropic plates.
Graphite epoxy plates
Graphite/epoxy consisting of 12 plies oriented at 0 and fabricated from Fiberite
Hy-E1034C prepreg
Thank you for your concern.
Dear all,
If anyone knows how to determine mass participant ratio related with modeshape in a frequncy analysis in Abaqus, please let me know.
Thank you very much.
Niluka
I'm student working on welded Pipes. I used DFLUX routine in
Abaqus/Standard. I need help regarding material deposition so that
element ahead to the heat source should be progressively deactived as
the torch moves and behind to the heat source should be continously
activated. I'm new user of abaqus. Kindly help me.
I'll be really thankful for your cooperation.
2-D "tension-shear chain" model (Ref.1-3) is well known successfully capturing the basic mechanical features of staggered structures in shell-like biomaterials. Our recent paper appeared in Comp. Sci. Tech. developed a three-dimensional (3D) "tension-shear chain" theoretical model to predict the mechanical properties of unidirectional short fiber reinforced composites, and especially to investigate the distribution effect of short fibers.
