.مي باشد كه  همگي آنها به زبان انگليسي است   ETABS & SAP2000  مقالات زير در مورد آخرين نكات و تغيرات نرم افزارهاي  

 

Article Desciption

    File Format  
Mesh Transitioning and Compatibility the Automated Line Constraint in ETABS & SAP2000
(Ashraf Habibullah, S.E., M.Iqbal Suharwardy,S.E., Ph.D.)
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A History Development Modern Earthquake Codes (Frank E. McClure, S.E.)
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  Structural Dynamics Seminar: Earthquake Engineering for Practicing Structural Engineers
(Ashraf Habibullah, S.E.)
   
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Static & Dynamic Analysis of Multi-Story Buildings, Including P-Delta Effects (EERI Journal)
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  A Clarification of the Orthogonal Effects in a Three-Dimensional Seismic Analysis
(Ed Wilson, M.EERI, Iqbal Suharwardy, M.EERI, Ashraf Habibullah, M.EERI)
   
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  3D Dynamic Analysis for Multicomponent Earthquake Spectra (Ed Wilson, Martin Button)    
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  Short Communications A Replacement for the SRSS Method in Seismic Analysis
(E.L. Wilson, A. Der Kiureghian, E.P. Bayo)
   
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A New Method of Dynamic Analysis for Linear and Nonlinear Systems (Ed Wilson)
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  Ritz vs Eigen Analysis: Vertical Seismic Analysis (CSI Publication)    
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  Orthogonal Effects in Response Spectrum Analysis (Ed Wilson)    
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  Dynamic Nonlinear Analysis (Ed Wilson)    
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Large Numbers Can Cause Significant Errors (Ed Wilson)
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Current Trends in Modeling Buildings Systems (Ashraf Habibullah, S.E.)    
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Modal Combinations Rules for Multicomponent Earthquake Excitation
(Wiggo Smeby, Armen Der Kiureghian)
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Practical Three Dimensional Nonlinear Static Pushover Analysis
(Ashraf Habibullah, S.E., and Stephen Pyle, S.E.)
   
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  Geometric Stiffness and P-Delta Effects: P-Delta Effects, Due to Deal Load,
Can Be Considered Without Iteration for Both Static and Dynamic Analysis (Ed Wilson)
   
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  Dynamic Analysis: Force Equilibrium Is Fundamental In The Dynamic Analysis Of Structures (Ed Wilson)    
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  Dynamic Analysis Using Mode Superposition: The Mode shapes Used To Uncouple The Dynamic Equilibrium Equations Need Not Be The Exact Free-Vibration Mode Shapes (Ed Wilson)    
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Dynamic Analysis Using Response Spectrum Seismic Loading: Prior To The Existence Of Inexpensive Personal Computers The Response Spectrum Method Was The Standard Approach for Linear Seismic Analysis (Ed Wilson)
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  Soil -Structure Interaction: At A Finite Distance from A Structure the Absolute Displacements
must Approach the Free-Field Displacements
   
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  Seismic Analysis Modeling to Satisfy Building Codes:
The Current Buildings Codes Use the Terminology Principal Direction without A Unique Definition (Ed Wilson)
   
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  Damping and Energy Dissipation: Linear Viscous Damping Is A Property Of The Computer Model And Is Not A Property Of A Real Structure (Ed Wilson)    
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Dynamic Analysis By Numerical Integration:
Normally, For Earthquake Loading Direct Numberical Integration Is Very Slow (Ed Wilson)
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  The Eigenvalue Problem: Eigenvalues And Eigenvectors Are Properties Of The Equations That Simulate The Behavior Of A Real Structure (Ed Wilson)    
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  Speed of Computer Systems: The Current Speed Of A $2,000 Personal Computer Is Faster Than The $10,000,000 Cray Computer Of 1975 (Ed Wilson)    
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  SAFE Technical Note 1: How SAFE Calculates Punching Shear For the ACI 318-95 Code    
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SAFE Technical Note 2: Using the Align Vertical / Horizontal Command
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  Physical Object Based Analysis and Design Modeling of Shear Wall Systems Using ETABS
(Ashraf Habibullah, S.E.)
   
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Steel Frame Design: Staggered Truss Framing Systems Using ETABS (Ashraf Habibullah,S.E.)
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