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I fit a set of data (around 10 points) with several polynomial functions. All of them are fitting well with similar coefficient of correlation. I want to compare these functions and choose a best one. Are there some other parameters or methods can be used to compare the effects of these...

why the thermal expansion results of Ansys is only about half of the analytical results? i apply the body loads to pipe16 element. Anybody meet the same problem? thanks.

Ansys has three contact capabilities: node to node, node to surface and surface to surface. if i want to model line-to-surface, which one i should use? In the contact wizard, there is option of line to surface. So it belones to surface to surface? I model a pipeline contacts with seabed. In...

thanks eureka, i am still not very clear. yes, i agree that axial force should balance in your case. but when the vertical forces are considered, the forces provided by client should be balance with the gravity of T and product?

thanks,StephenA, you also give me some direction about this topic, Could you please send me your 16 pages description to meixi2001@yahoo.com.sg? thanks alot.

Dear all, I am planing to do a flow-tee analysis. My client provides me the forces and moments acting at the end point of Tee. When I build the FEM model, do i need add some restrain condition to the Tee, or model some part of pipe to contect with Tee and restrain the end of the pipe? because...

Dear all, I am planing to do a flow-tee analysis. My client provides me the forces and moments acting at the end point of Tee. When I build the FEM model, do i need add some restrain condition to the Tee, or model some part of pipe to contect with Tee and restrain the end of the pipe? because...

Dear All, I only have experience of analyzing structural response with Ansys. When the soil needs to be considered in the analysis, how to model soil? any special element for soil? how to model the interface between soil and structure? Any suggestion welcome and thanks advance.

I would like to consult you guys a problem about Gauss-Hermite quadrature approach. Comparing with Monte-Carlo or MCMC method, what is the advantage or shortage for Gauss-Hermite quadrature approach. When I predict the probabilistic properties of a certain parameter, I use Markov Chain Monte...

Sorry, it's B31.4. This question relates a bacis problem i am confused. What is the sustained load in B31.4 code? In 402.3.2(d), the definition of sustained external loading refers to 419.6.4(c). When I check with 419.6.4(c), I find that it refers back to 402.3.2(d). Anyboby can give me a...

Dear all, when I analyze the onshore pipeline flexibilty using BS31.4, the CAESAR recommends the sustained load case is the combnation of Weight and pressure (W+P). I am not sure whether the load caused by displacement also needs to be considered (W+P+D) for the sustained load case? Any...