Search found 13 matches

by XIEWENBO
Sat Apr 09, 2016 5:29 am
Forum: OpenSees.exe Users
Topic: error
Replies: 1
Views: 4853

error

I built a underground structure dynamic analysis model, but when I appear the following error analysis of the gravity... warning SuperLU::solve(void)- Error 1 returned in factorization dgstrf() warning NewtonRaphson:: solveCurrentStpe() -the LIinerSysOfEqn failed in solve() StaticAnaysis::analyze() ...
by XIEWENBO
Sat Apr 09, 2016 5:08 am
Forum: OpenSees.exe Users
Topic: soil-structure
Replies: 2
Views: 5656

soil-structure

I built a underground structure dynamic analysis model, but when I appear the following error analysis of the gravity... warning SuperLU::solve(void)- Error 1 returned in factorization dgstrf() warning NewtonRaphson:: solveCurrentStpe() -the LIinerSysOfEqn failed in solve() StaticAnaysis::analyze() ...
by XIEWENBO
Wed Mar 09, 2016 3:36 am
Forum: OpenSees.exe Users
Topic: Underground structures
Replies: 20
Views: 27474

Re: Underground structures

I should choose what kind of contact element in a dynamic analysis
thanks
by XIEWENBO
Tue Mar 08, 2016 7:40 pm
Forum: OpenSees.exe Users
Topic: Underground structures
Replies: 20
Views: 27474

Re: Underground structures

Thank you so much for your reply to my question,,,,
Wishes you to work happily
by XIEWENBO
Tue Mar 08, 2016 7:33 pm
Forum: OpenSees.exe Users
Topic: Underground structures
Replies: 20
Views: 27474

Re: Underground structures

skamalzare wrote: > Hi, > > Perhaps, an important point you might want to consider is how the structure > is connected to the soil. If you connect them before gravity analyses, > there is a great chance you will get negative skin friction. Simply, > because soil settles during gravity analysis and r...
by XIEWENBO
Tue Mar 08, 2016 12:41 am
Forum: OpenSees.exe Users
Topic: Periodic Boundary
Replies: 1
Views: 4855

Periodic Boundary

What is a periodic boundary
by XIEWENBO
Mon Mar 07, 2016 11:07 pm
Forum: OpenSees.exe Users
Topic: Underground structures
Replies: 20
Views: 27474

Underground structures

hello Who did the underground structure dynamic nonlinear analysis This is my analysis modeling process, 1.Soil - structure interaction model is established 2.The analysis of elastic and plastic of site soil 3.The gravimetric analysis of underground structure 4.The dynamic analysis of soil-structure...
by XIEWENBO
Mon Mar 07, 2016 11:00 pm
Forum: OpenSees.exe Users
Topic: OpenSees Challenge 2011
Replies: 111
Views: 4480173

Re:Underground structures

hello Who did the underground structure dynamic nonlinear analysis This is my analysis modeling process, 1.Soil - structure interaction model is established 2.The analysis of elastic and plastic of site soil 3.The gravimetric analysis of underground structure 4.The dynamic analysis of soil-structure...
by XIEWENBO
Sun Feb 28, 2016 6:04 am
Forum: OpenSees.exe Users
Topic: InitialStateAnalysis
Replies: 0
Views: 4584

InitialStateAnalysis

Please help me
Is there somebody can help me with providing me a example of soil-structure interation which considered the initial stress and strain
by XIEWENBO
Tue Dec 15, 2015 10:22 pm
Forum: OpenSees.exe Users
Topic: 2d plate
Replies: 2
Views: 6867

Re: 2d plate

It is a 3D element with 6 dofs and CAN NOT be used in 2D domain. (Shell Element)
In No Other Way
by XIEWENBO
Mon Dec 14, 2015 10:55 pm
Forum: OpenSees.exe Users
Topic: 2d plate
Replies: 2
Views: 6867

2d plate

How to simulate two-dimensional plate,
Please tell me the details.
thank you very much
by XIEWENBO
Fri Dec 11, 2015 11:06 pm
Forum: OpenSees.exe Users
Topic: viscous-elastic artificial boundary
Replies: 3
Views: 8264

Re: viscous-elastic artificial boundary

:D Thank you very much for you can reply to my question,,I'd like to add two dimensional viscoelastic artificial boundary,Can you tell me the specific steps,Such as the selection of materials, selection of parameters..Soil quadrilateral element is selected.....
by XIEWENBO
Thu Dec 10, 2015 5:21 am
Forum: OpenSees.exe Users
Topic: viscous-elastic artificial boundary
Replies: 3
Views: 8264

viscous-elastic artificial boundary

Please tell me
How to set up the viscoelastic artificial boundary