
numerical singularity problem - DASSAULT: ABAQUS FEA Solver
2007年9月23日 · Hi I'm currently modelling a train track insulated joint bar with abaqus and i can't fix a problem i keep encountering. The job keeps re-attempting the first increment of the first …
pressure vessel heads - ASME (mechanical) Code Issues - Eng-Tips
2001年11月21日 · For a 2:1 elliptical head, the volume is V = Pi / 24 * D^3. For a hemispherical head, the volume is V = Pi / 12 * D^3. In all of these formulas, use consistent units. In other …
Looking for Definition of Rotor WR^2 1 - Eng-Tips
2006年8月28日 · The radius of gyration is the distance from the axis of rotation at which the mass can can be considered to be concentrated. If r is the physical radius of the rotating object; K^2 …
Allowable stress of SA-193 (B7 or B7M) studs in B31.3 ... - Eng-Tips
2013年8月1日 · A r =PI/4*(OD 2-ID 2) A r =area of the ring OD and ID are inside and outside diameters A h =PI*R 2 *number of holes A h =area of all stud holes A c =A r-A h 2. Determine …
Common Datums - Drafting Standards, GD&T & Tolerance …
2014年5月13日 · Suppose I had a piece of plate with 2 holes in it. Each hole is specified as a datum (in this case, datums B and C, where datum A is the large flat face of the plate). I have …
Bolting Requirements in Code - ASME (mechanical) Code Issues
2003年4月25日 · When I see studs that looking a "little short", it's a situation like the crew didn't have the 4-1/2" long studs they needed for the 4" Cl 300, but they had some 4-1/4" (for 3" Cl …
TYPICAL or TYP notation on drawings 4 - Eng-Tips
2006年7月25日 · 2. If you have a detail that occurs in 6 places on the drawing, you can add to the detail title "TYP 6 PL" meaning that all six places are the same. Bacically you are saying all the …
Nastran SOL700 problem - MSC.Software: Patran | Eng-Tips
2014年1月2日 · Reason (errno) = 2. No such file or directory Please ensure your P3_TRANS.INI or site_setup file correctly points to the solver executable or that you have correctly set the …
Ansys error : Nonlinear - ANSYS: ANSYS Software Suite - Eng-Tips
2014年4月9日 · 1) The Solver engine was unable to converge on a solution for the nonlinear problem as constrained. 2) 2) The unconverged solution (identified as Substep 999999) is …
Backfill for Buried Pipe - Pipelines, Piping and Fluid Mechanics ...
2024年11月6日 · For a 200 ft section of relatively small diameter pipeline, I'd let him do it, IF placed with careful control, 2 or three levels of placement, allowing water to drain out between, …