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Well-Posed Problem in Partial Differentrial Equations
To avoid the Ambiguity appearing in the Formulation Process using the Numerical Methods of Partial Differentrial Equations it is Important to Satisfy the following Conditions given by Fletcher C.A.J. 1989, p18 :
"The governing Equations and Auxiliary (Initial and Boundary) Conditions are Well-Posed Mathematically if the Following three Condtions are met:
Thin Film Thickness Measurement With 3D Metrology
Thin film thickness control is highly important to the manufacturing process of various highly demanded applications. The ideal
Coefficient of Friction & Wear Testing of Plasma Coating
A major concern for plasma coatings is how wear resistant they will prove to be on the final product. Since
plasma coatings are a popular use for automobile engines, these coatings are tested through strenuous
conditions. If the coating on the engine itself wears off at a fast rate than the life expectancy of that
particular engine or part becomes a problematic concern. With the plasma coating wearing off, the parts
originally being protected will become exposed to melting temperatures, corrosion and other potentially
Measurement of Cutting Tool Edge With 3D Metrology
For a particular tool, the edges precision is expected to meet intended results during use in machining. Because the depth of cut is controlled to the nanometer level, the tool cutting edge profile is an important factor to influence the final quality of a machined surface. By analysis of a 3D-Profilometer the edge correctness can be determined to insure quality control before production and or during the life of the tool.
cohesive zone modeling of interface fracture : comparisons
Hello,
(for completing R. Huang's post : node/7396).
A few years ago, some colleages (from Italy, UK and Brazil) and I proposed some comparisons of the behavior of cohesize zone models. This was presented during ECCM 2004. The paper is attached.
Integration over a Triangle
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I am working on FEM and i need integration points with their weight coefficients for triangle. I have found tables consisting of 25 points but i need even more. Where can i find a Matlab routine for this.
If it is any help the tables and methods i use are from D.A.Dunavant, High degree efficient symmetrical Gaussian quadrature rules for the triangle.
Any help?
WARNING: THE AVERAGE FORCE USED TO ENFORCE CONTACT CONSTRAINTS AT NODE SPRING-1.86 IS 383.736E+03 TIMES LARGER THAN
I am trying to simulate and spring analysis by using concentrated force on Abaqus 6.9.
Job cannot be performed due to the following warning and error. May i know the solution!