Search found 20 matches

by aflo
Wed Jul 30, 2014 8:51 am
Forum: OpenSees.exe Users
Topic: LACK OF INFO IN THE OPENSEES USERMANUAL
Replies: 3
Views: 2861

Re: LACK OF INFO IN THE OPENSEES USERMANUAL

thanks fmk!!!
by aflo
Tue Jul 29, 2014 7:57 am
Forum: OpenSees.exe Users
Topic: RECORDER PROBLEMS
Replies: 1
Views: 1702

RECORDER PROBLEMS

HI

Using the recorder command,is it possible to save a number of step lower than the number of steps of the analysis?...for example, the number of steps of the analysis is 1000 but I want to save 100 steps, 1 every 10 steps....

thanks
by aflo
Tue Jul 22, 2014 9:18 am
Forum: OpenSees.exe Users
Topic: LACK OF INFO IN THE OPENSEES USERMANUAL
Replies: 3
Views: 2861

LACK OF INFO IN THE OPENSEES USERMANUAL

could you please explain me what does eps, kappaZ kappay gammaY gammaZ and Theta represent thanks <SectionOutput secType="SectionAggregator" secTag="1"> <ResponseType>eps</ResponseType> <ResponseType>kappaZ</ResponseType> <ResponseType>kappaY</ResponseType> <ResponseType>gammaY</...
by aflo
Wed May 28, 2014 7:56 am
Forum: OpenSees.exe Users
Topic: KIKUCHI BEARINGS-BASE ISOLATION
Replies: 8
Views: 9091

Re: KIKUCHI BEARINGS-BASE ISOLATION

I'm sorry but I didn't understand your reply,

could you explain yourself?

thanks
by aflo
Mon May 26, 2014 10:02 am
Forum: OpenSees.exe Users
Topic: KIKUCHI BEARINGS-BASE ISOLATION
Replies: 8
Views: 9091

Re: KIKUCHI BEARINGS-BASE ISOLATION

Hi Aryan,

I'm sure that it works (because the kikuchi material works very well) but how do you take into account the axial behaviour of the bearing
by aflo
Wed May 21, 2014 5:43 am
Forum: OpenSees.exe Users
Topic: KIKUCHI BEARINGS-BASE ISOLATION
Replies: 8
Views: 9091

Re: KIKUCHI BEARINGS-BASE ISOLATION

hi jennifer, I'm actually using the MSS+truss element
by aflo
Mon May 19, 2014 10:02 am
Forum: OpenSees.exe Users
Topic: COMPILING OPENSEES - MODIFYING KIKUCHI-AIKEN MATERIAL
Replies: 6
Views: 4183

Re: COMPILING OPENSEES - MODIFYING KIKUCHI-AIKEN MATERIAL

Hi frank,

No I don't have the message if I use the regular material.

I'm sorry but I'm confused about your explanation... What do you suggest to check?

Thank you
by aflo
Thu May 15, 2014 10:00 am
Forum: OpenSees.exe Users
Topic: COMPILING OPENSEES - MODIFYING KIKUCHI-AIKEN MATERIAL
Replies: 6
Views: 4183

Re: COMPILING OPENSEES - MODIFYING KIKUCHI-AIKEN MATERIAL

I checked and I'm sure that the message ("in constructor of UniaxialMat") is not included in the .cpp code....I really don't know where it is located....
by aflo
Wed May 14, 2014 3:00 am
Forum: OpenSees.exe Users
Topic: KIKUCHI BEARINGS-BASE ISOLATION
Replies: 8
Views: 9091

Re: KIKUCHI BEARINGS-BASE ISOLATION

Hi Aryan, I worked a lot with this element (kikuchi bearing) and I found some problems... Actually I agree with you... the results obtained using the Kikuchi material are consistent while the results obtained using the Kichuki element are weird in particula for what concerns the axial behaviour...In...
by aflo
Wed May 14, 2014 1:30 am
Forum: OpenSees.exe Users
Topic: COMPILING OPENSEES - MODIFYING KIKUCHI-AIKEN MATERIAL
Replies: 6
Views: 4183

COMPILING OPENSEES - MODIFYING KIKUCHI-AIKEN MATERIAL

Hi, Using Visual Studio 2008, I modified (in C++) the internal parameter of the Kikuchi-Aiken uniaxial material in order to get the behaviour of a specific rubber type. The compiled version of opensees works and the results make sense... The problem is that carrying out the analysis using the compil...
by aflo
Tue Feb 11, 2014 11:52 am
Forum: OpenSees.exe Users
Topic: the kikuchi bearing element.. A VERY STRANGE ELEMENT!!!!
Replies: 4
Views: 3611

Re: the kikuchi bearing element.. A VERY STRANGE ELEMENT!!!!

Hi fmk, I understand what you are saying, I know that this element is very new but at the same time It is very interesting... that's the reason why I studied all the papers by Kikuchi related to this element and the source code in cpp!!!! As I told you before, the KikichiElement works very good if u...
by aflo
Sat Feb 08, 2014 11:46 pm
Forum: OpenSees.exe Users
Topic: the kikuchi bearing element.. A VERY STRANGE ELEMENT!!!!
Replies: 4
Views: 3611

the kikuchi bearing element.. A VERY STRANGE ELEMENT!!!!

Hi, I'm working with the kikuchi bearing element but I have a serious problem with it.... It works very well if used alone (I mean in a very simple configuration, like for example a single element with a mass on the top) while it has many problems when used into a more complex structure (for example...
by aflo
Fri Dec 13, 2013 6:34 pm
Forum: OpenSees.exe Users
Topic: reduction rate for stiffness & force. KIKUCHIAIKEN MATERIAL
Replies: 0
Views: 1452

reduction rate for stiffness & force. KIKUCHIAIKEN MATERIAL

hi all, I'm using the kikuchi bearing element in order to model the behaviour of elastomeric (HDR) bearings. As suggested by the opensees manual, I am using the Kikuchi Aiken uniaxial material for the shear springs. The model works but I can't understand the role of the reduction rate for stiffness ...