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  • Users: pedrox
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  1. pedrox

    Finite Elements Model Thermoelastic check

    Hi everybody, I´m performing a thermoelastic check to a FEM with Patran/Nastran, that is formed just by shells, beams and MPCs. I have followed the rules to perform the analysis as are; same CTE, poisson´s coef. and Elastic modulus, as well as RBE2 with 0 length and no offsets, the structure is...
  2. pedrox

    Shock analysis with ANSYS

    Does anybody know how to develop a shock analysis with ansys? tutorial or examples? I have tried with ansys workbench but I think it can´t be done. Transients are only for temperatures. What I want to simulate is a 10g 11ms sine impulse in the supports. Thanks in advance, Pedro.
  3. pedrox

    ansys workbench shock analysis

    Hi, I´m trying to analize a 10g 11ms half sinus shock with ansys workbench. Does anybody knows how to do it?. thanks in advance, Pedro.
  4. pedrox

    mesh solid igs with hexaedral in ansys

    Anybody knows how can I mesh an igs file with hexahedral elements?. I have tried and just let me mesh with tetrahedral ones. I supose that it´s becouse geometry is too complex, but is there any way to do it? Thanks in advance, Pedro.
  5. pedrox

    VALVES FOR INSTURMENTATION

    Hi, I’m designing boxes to contain electronic devices for scientific flights. Those boxes are sealed and pressurized because it will fly at 45 Km altitude and commercial electronics doesn’t work well in vacuum. What I’m looking for is a kind of small valves for removing the air of inside and to...
  6. pedrox

    INSTRUMENTATION VALVES

    Hi, I’m designing boxes to contain electronic devices for scientific flights. Those boxes are sealed and pressurized because it will fly at 45 Km altitude and commercial electronics doesn’t work well in vacuum. What I’m looking for is a kind of small valves for removing the air of inside and to...
  7. pedrox

    ASME Code Sec. VIII Div1 Appendix 13

    I need ASME Code Sec. VIII Div1 Appendix 13 Does anybody knows where can I find a .pdf or a .doc copy of this documentation??? I have to design a rectangular pressurized box and I need it. I have been searching and the ones I´ve found are too expensive for me. Thanks in advance.
  8. pedrox

    Pressurized box

    Hi, I am a Mechanical engineer and I´m developing a pressurized box (600x500x200 mm^3) that will contain electronics. The problem is that I have to keep a pressure of 1 atm in the inner, while in the outer I have almost 0 atm. I woul like to know if it is a good idea to develop the box as a...

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