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RE: Structural Softwares

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How about the advanced features IFAS provide


(A) Effective-length analysis
Effective length factors are very important to design. IFAS analyzes
theoretical results, not approximated from alignment charts or other
approximate procedure. Each effective-length factor is theoretically
analyzed in the entire system, not on a local member.

(B) Partially rigid analysis
This is the most advanced feature for structural analysis. IFAS provides
partially rigid static analysis, partially rigid dynamic analysis, and
partially rigid effective-length analysis.

(C) Asynchronous parallel solvers
IFAS provides parallel static solvers, parallel dynamic solvers, and
parallel effective-length solvers. IFAS solvers not only can run on
uniprocessor computer, but also can fly on multiprocessor computers.


IFAS always introduces the most advanced techniques for structural
analysis and design. More will be available.


J. Luo
Luo(--nospam--at)Equation.com
about me: http://www.Equation.com/people/Luo.htm




> ----------
> From:
> K.G.Srivalsan(--nospam--at)fluordaniel.com[SMTP:K.G.Srivalsan(--nospam--at)fluordaniel.com]
> Reply To: 	seaint(--nospam--at)seaint.org
> Sent: 	Wednesday, October 28, 1998 12:58 PM
> To: 	seaint(--nospam--at)seaint.org
> Subject: 	Structural Softwares
> 
>      Hope this would give a brief information about the features and
> the 
>      recommended usage of different structural analysis programs
> mostly 
>      used by different organisations world-wide.
>      
>      
>      RISA3D:
>      Cheaper in cost compared to Staad3.
>      It can carry out basic static and dynamic analysis
>      Ability to model tension/compression only spring elements
>      Operating platforms - DOS,WIN3.1,WIN95/NT
>      Codes-US
>      DXF interface 
>      Speed of solution is fast, model and load input is very easy
>      Maximum size of problem it can solve is limited to 9900 nodes and
> 9900 
>      members/elements in version 3.0
>      
>      
>      STAADIII:
>      More costly than RISA3D.
>      Capable to include both static and dynamic analysis
>      Most widely used program in industry.
>      Codes-US,CANADA,EUROPE,BRITISH,INDIAN etc.
>      Frameworks Interface
>      Speed of solution is slower compared to SAP2000 
>      Model input and load input is not as easy as RISA3D.
>      No limit in node and member size
>      Operating Platforms for ver 22.3 - DOS,WIN 3.1,95 & NT
>      
>      
>      SAP2000:
>      Relatively costlier than STAADIII.
>      Considered to be the best high end analysis program.
>      Handle static,dynamic analysis,advanced dynamic (time history).
>      Modelling using tension/compression only spring elements possible
>      Interface to DXF
>      Codes - US,Europe,British,Canada
>      Model and load input can be compared in easiness with STAAD3
>      Speed of the solution is the fastest
>      No limit in node and member size
>      Operating platform for ver6.10 - Windows 95/NT
>      
>      
>      GTSTRUDL:
>      Costliest when compared to the above 4 programs.
>      Handle static,dynamic analysis,advanced dynamic (time history)
>      Interface to DXF and Frameworks
>      Codes - US,British,
>      Model and load input is not easy
>      Speed of the solution is faster than STAAD3
>      No limit in node and member size
>      Operating platform for ver 9701 - Windows 95/NT and DOS.
>      
>      
>      There are many other softwares like STRAP,AVANSSE PLUS. But these
> 
>      programs are not used in large scale and hence it is only time
> which 
>      will tell us the possibility of extensive  and end use of these 
>      softwares depending on the application and the support offered.
>      
>      
>      Regards to all
>      
>      K.G.SRIVALSAN
>      k.g.srivalsan(--nospam--at)fluordaniel.com
> 
> 
>