Volume 3, Issue 2
مرور بر اساس
ارسال های اخیر
-
Investigation of Hot-extrusion Effect on Microhardness, Microstructure and Corrosion Behavior of Magnesium-based Bio-composites
(Bu-Ali Sina University, 2019-03-01)Magnesium alloys are a unique choicefor orthopedic implants due to their biocompatibility and biodegradability properties. In this article, the impact of hot-extrusion process is investigated on microhardness, microstructure, and ...
-
Assessing Reliability of Bending of Concrete Beams Exposed to Freeze-thaw Conditions Based on Compressive Stress Limit Reduction
(Bu-Ali Sina University, 2019-03-01)For existing reinforced concrete structures exposed to freeze-thaw conditions, there is an increasing engineering concernover their remaining safety. This paper presents a novel experimental-theoretical stochastic model ...
-
The Effect of Grading Index on Two-dimensional Stress and Strain Distribution of FG Rotating Cylinder Resting on a Friction Bed Under Thermomechanical Loading
(Bu-Ali Sina University, 2019-03-01)This paper presents two-dimensional stress and strain behavior of a FG rotating cylindrical shell subjected to internal-external pressure, surface shear stresses due to friction, an external torque, and constant temperature ...
-
Using Topology Optimization to Reduce Stress Concentration Factor in a Plate with a Hole
(Bu-Ali Sina University, 2019-03-01)This paper focuses on reducing stress concentration in a plate with a hole. For this purpose, a novel Reliever Topological Material Elimination (RTME) approach was introduced which uses the topology optimization technique ...
-
Damage Identification in Large-scale Double-layer Truss Structures Via a Two-stage Approach
(Bu-Ali Sina University, 2019-03-01)In this study, a two-stage damage identification approach based on modal flexibility differences and whale optimization algorithm (WOA) was applied to localize and quantify damages in large-scale double-layer truss ...
-
Mixed Elastic Modeling of Multilayer Composite Plates by Using Dimension Reduction Approach
(Bu-Ali Sina University, 2019-03-01)In this paper, a mixed modeling approach for orthotropic laminated plates is developed. By adopting Hellinger-Reissner functional and dimension reduction method along the thickness, the governing equations were derived. By ...
-
Analytical and Numerical Study of the Swelling Behavior in Functionally Graded Temperature-sensitive Hydrogel Shell
(Bu-Ali Sina University, 2019-03-01)In this article, analytical and numerical methods were employed to study swelling behavior of a cylindrical shell made of a functionally graded temperature sensitive hydrogel. The hydrogel shell has gradient property ...
-
An Analytical Approach to Design of Ultrasonic Transducers Considering Lateral Vibrations
(Bu-Ali Sina University, 2019-03-01)The purpose of this paper is to develop a design procedure for Langevin ultrasonic transducers with lateral dimensions larger than a quarter of the longitudinal wave length. In this case, the assumption of the one-dimens ...
-
Effect of Axial Stresses of the Core on the Free Vibration Response of a Sandwich Beam with FG Carbon Nanotube Faces and Stiff and Flexible Cores
(Bu-Ali Sina University, 2019-03-01)In this article, a vibrational behavior of sandwich beams with stiff and flexible cores and face sheets reinforced with carbon nanotubes is investigated. Carbon nanotubes are used as materials with properties varying along ...
-
Presentation of Calibration Coefficient to Measure NonUniform Residual Stresses by the Integral Ring-core Method
(Bu-Ali Sina University, 2019-03-01)The aim of this paper is to compare incremental and integral techniques in non-uniform residual stress measurement by the ring-core method and to present a procedure to determine the calibration coefficients of the ...
-
Failure Study of Hybrid Bonded-bolted Composite Single and Double Lap Joints
(Bu-Ali Sina University, 2019-03-01)In this paper by employing ANSYS Workbench software and three-dimensional finite element simulation, failure analysis of hybrid bonded and bolted single and double lap joints with laminated composite adherends subjected ...



