The OpenSees Community

Previous error was fixed. But new error popped up this time ForceBeamColumn2d::update() -- could not invert flexibility ForceBeamColumn2d::update() -- could not invert flexibility WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 11(dW: << ...

Do we have to follow the ft,kips,sec units in opensees navigator.can i use metric units?

While doing pushover analysis for an RC Frame in opensees navigator,i got this warning WARNING DisplacementControl::domainChanged() - zero reference loadStaticAnalysis::setAlgorithm() - Integrator::domainChanged() failedStaticAnalysis::analyze() - domainChanged failed at step 0 of 10000 OpenSees > a...

can u suggest the range of values that these properties can have?

My purpose is to do Time history analysis for a 2D RC Frame .What model i should use for getting appropriate results

i am new to this software opensees. i want to do a time history analysis for a 2D 4 story RC frame. for that i need to define a hysteretic material how to find out the properties to be used as input for the hysteretic material, How to find out the values for these parameters $s1p $e1p stress and str...