List of Articles Stiffness Open Access Article Abstract Page Full-Text 1 - A new model as a damage index in an eigen value problem with application in health monitoring of offshore jacket platform Mehdi Alavinejhad Madjid Ghodsi Hassanabad Mohammadjavad Ketabdari Masoud Nekooei Open Access Article Abstract Page Full-Text 2 - Investigation of the Effect of V-Clamp Band Design Parameters on the Bending and Axial Stiffness of the Flanged Joints SeyyedAbdolSajjad Borhani AliAkbar Lotfi neyestanak Ali davar Open Access Article Abstract Page Full-Text 3 - Vibration Behavior of the Planetary Gear System by Considering the Fixed Output Ali Shahabi Amir Hossein Kazemian 10.30486/admt.2022.697460 Open Access Article Abstract Page Full-Text 4 - Mass and Stiffness Matrices and Frequencies of Simple Beam Elements Based on Real Shape Functions Pedram Abouzari Karen Khanlari Reza Esmaeilabadi 10.30486/admt.2022.1949656.1336 Open Access Article Abstract Page Full-Text 5 - Increasing the Fundamental Frequency of the Cantilever Rotating Beam by Placing the Intermediate Elastic Support with Minimum Stiffness at the Optimum Point Based on the Courant’s Maximum–Minimum Theorem using Finite-Element Analysis Software Mehdi Asgarikia Farshad Kakavand Hasan Seidi 10.30495/admt.2021.1917477.1232 Open Access Article Abstract Page Full-Text 6 - Optimization of Location and Stiffness of an Intermediate Support to Maximize the First Natural Frequency of a Beam with Tip Mass-With Application Hossein Ebrahimi Farshad Kakavand Hassan Seidi 10.30486/admt.2022.1933790.1291 Open Access Article Abstract Page Full-Text 7 - Effect of Adding a Styrene-Butadiene Rubber Damper to A Sled Sample and Extraction of Its Equivalent Stiffness and Damping Mohammad Reza Najafi Saied Mahjoub Moghadas 10.30486/admt.2022.1939798.1313 Open Access Article Abstract Page Full-Text 8 - Minimum Stiffness and Optimal Position of an Intermediate Elastic Support to Maximize the Fundamental Frequency of a Vibrating Timoshenko Beam using Finite Element Method and Multi-Objective Genetic Algorithm Hossein Ebrahimi Farshad Kakavand Hasan Seidi 10.30486/admt.2022.697492 Open Access Article Abstract Page Full-Text 9 - Bending Optimization of Composite Sandwich Panels with Second-Order Corrugated Cores Mahdi Shaban Sanaz Khoshlesan Mohammad sajad Shamsi monsef 10.30486/ADMT.2024.873760 Open Access Article Abstract Page Full-Text 10 - Study of the Effect of an Open Transverse Crack on the Vibratory Behavior of Rotors Using the h-p Version of the Finite Element Method F Ahmed H Abdelhamid B Brahim S Ahmed 10.22034/jsm.2019.664228 Open Access Article Abstract Page Full-Text 11 - Dynamic and Vibration Analysis for Geometrical Structures of Planetary Gears A Shahabi A.H Kazemian 10.22034/jsm.2020.1898690.1585 Open Access Article Abstract Page Full-Text 12 - Effect of Rotation and Stiffness on Surface Wave Propagation in a Elastic Layer Lying Over a Generalized Thermodiffusive Elastic Half-Space with Imperfect Boundary R Kumar V Chawla Open Access Article Abstract Page Full-Text 13 - Performance Analysis of Different Modified MR Engines Mounts T Feyzi R Tikani M Esfahanian S Ziaei Rad Open Access Article Abstract Page Full-Text 14 - Comparison of Stiffness and Failure Behavior of the Laminated Grid and Orthogrid Plates A Ehsani J Rezaeepazhand Open Access Article Abstract Page Full-Text 15 - Wave Propagation at the Boundary Surface of Elastic Layer Overlaying a Thermoelastic Without Energy Dissipation Half-space R Kumar V Chawla Open Access Article Abstract Page Full-Text 16 - Spectral Finite Element Method for Free Vibration of Axially Moving Plates Based on First-Order Shear Deformation Theory M.R Bahrami S Hatami Open Access Article Abstract Page Full-Text 17 - Elastic Wave Propagation at Imperfect Boundary of Micropolar Elastic Solid and Fluid Saturated Porous Solid Half-Space V Kaliraman R.K Poonia Open Access Article Abstract Page Full-Text 18 - Free Vibration Analysis of Variable Stiffness Composite Laminates with Flat and Folded Shapes B Daraei S Hatami Open Access Article Abstract Page Full-Text 19 - Coupled Bending-Longitudinal Vibration of Three Layer Sandwich Beam using Exact Dynamic Stiffness Matrix A. Zare B Rafezy W.P Howson Open Access Article Abstract Page Full-Text 20 - Investigating the Effect of Stiffness/Thickness Ratio on the Optimal Location of Piezoelectric Actuators Through PSO Algorithm S Jafari Fesharaki S.Gh Madani S Golabi Open Access Article Abstract Page Full-Text 21 - Free and Forced Transverse Vibration Analysis of Moderately Thick Orthotropic Plates Using Spectral Finite Element Method M.R Bahrami S Hatami Open Access Article Abstract Page Full-Text 22 - Reduction of vibrations amplitude using ribs in the welded steel structure in the cross beam of a gantry milling machine mahdi armaninejad Mohammad Jafar Ostad-Ahmad-Ghorabi Open Access Article Abstract Page Full-Text 23 - Vibration inverse problem for spring-mass systems محمدرضا تابش پور Open Access Article Abstract Page Full-Text 24 - Comparison of plasticity and stiffness of steel shear walls with composite steel plate shear wall Leila Shahryari Mahdi Esfandiari Open Access Article Abstract Page Full-Text 25 - Effect of column-foundation connection stiffness on seismic performance of rocking steel braced frame Masoumeh Farshbaf Abdolreza S. Moghadam Open Access Article Abstract Page Full-Text 26 - Numerical Simulation of Fluid Flow over a Ceramic Nanoparticle in Drug Delivery System Mina Alafzadeh Shahram Talebi Mojdeh Azizi Open Access Article Abstract Page Full-Text 27 - Electromechanical Analysis of Coupled Motor-Gearbox Vibrations with Planetary Gears Seyed Ehsan Masalegoo Ali Soleimani Open Access Article Abstract Page Full-Text 28 - Investigating of linear and nonlinear performance of the simpson strong-tie connection Ali Ghamari Farzin Ghaffari Leila Hosseinzadeh 10.30495/civil.2023.1892987.1174 Open Access Article Abstract Page Full-Text 29 - Investigating steel slit dampers behavior in concrete structures Leila Hosseinzadeh Seyed Majid Alavinia Ali Ghamari Abbas Akbarpour 10.30495/civil.2023.1910683.1197 Open Access Article Abstract Page Full-Text 30 - Numerical Modeling of the U-Boot Roof Behavior and Its Comparison with the Steel Deck Roofs, Cobiax roof, and Concrete Slabs Saeed Sharifi Ahmad Maleki Open Access Article Abstract Page Full-Text 31 - The Effect of Earthquake Vertical Component on Structures with Mass and Stiffness Irregularities in Height Masoud Jahanpanah Hossein Sohrabzadeh 10.30495/civil.2021.686491 Open Access Article Abstract Page Full-Text 32 - Analytical and Comparative Review of Methods for Determining the Storey Stiffness mohammad reza tabesh poor azadeh noorifard Open Access Article Abstract Page Full-Text 33 - Investigation of the Error Rate of Seismic Analysis Methods in Mid-Rise Structures with Lateral Stiffness Irregularity Vahid Saberi hamid saberi Abbasali Sadeghi mohamadreza noori Open Access Article Abstract Page Full-Text 34 - Investigation of linear and nonlinear performance of the simpson strong-tie connection Ali Ghamari Farzin Ghaffari Leila Hosseinzadeh Open Access Article Abstract Page Full-Text 35 - The Effect of Cross Beams in Retrofitting of the Roof System with Stress Regulation Nobakht Bakhtyari Open Access Article Abstract Page Full-Text 36 - Comparative evaluation of structural behavior of voided biaxial slab with Steel Deck roofs and RC slabs Nima Khalili Ahmad Maleki Open Access Article Abstract Page Full-Text 37 - Investigating the behavior of steel slit dampers in concrete structures Seyed Majid Alavinia Leila Hosseinzadeh Ali Ghamari Abbas Akbarpour 10.30495/civil.2021.682514 Open Access Article Abstract Page Full-Text 38 - The Reverse Design of Beams and Networks to Provide Strength and Simultaneous Deformation Nobakht Bakhtiyari Hassan mosavi aslemir Open Access Article Abstract Page Full-Text 39 - Stiffness Reduction Factor of Flat; Beam-Column and Waffle Slabs under Lateral Load Sayed Behzad Talaeitaba behrang Nazari 10.1007/ijase.2023.1973609.1064 Open Access Article Abstract Page Full-Text 40 - Modal Identification Of A Tested Steel Frame Using Linear Arx Model Structure Yavuz Kaya Open Access Article Abstract Page Full-Text 41 - Seismic Assessment And Strengthening Of An Existing Steel Bridge In Portugal Catarina Fernandes Humberto Varum Open Access Article Abstract Page Full-Text 42 - Effect of foliar application of ascorbic acid and methanol on dry matter accumulation and yield of soybean cultivars (DPX) under water deficit conditions N. Ghanbari Tilami H. Abasspour M. Baradaran Firouz Aabady Open Access Article Abstract Page Full-Text 43 - مطالعه یاتاقانهای مغناطیسی و ارتجاعیت آنها محمد اسماعیلی ادبی شهربانو فرخنده مجید رشیدی Open Access Article Abstract Page Full-Text 44 - INVESTIGATING THE SEISMIC PERFORMANCE OF THE HONEYCOMB YIELDING DAMPER(HYD) peyman shadman heidari Mohammad Ghanooni Bagha Zeinolabedi Mortezaali Open Access Article Abstract Page Full-Text 45 - Multiple Simultaneous Damage Detection in large-span bridges Leila Hosseinzadeh Behnam Babaie