Publications by Aryan Rezaei Rad

Simple shear extrusion versus equal channel angular pressing: A comparative study on the microstructure and mechanical properties of an Mg alloy

Cyril Cayron, Roland Logé, Aryan Rezaei Rad

Two severe plastic deformation (SPD) techniques of simple shear extrusion (SSE) and equal channel angular pressing (ECAP) were employed to process an extruded Mg -6Gd -3Y -1.5Ag (wt%) alloy at 553 K for 1, 2, 4 and 6 passes. The microstructural evolutions ...

KEAI PUBLISHING LTD2023

A Collaborative Workflow to Automate the Design, Analysis, and Construction of Integrally-Attached Timber Plate Structures

Pierre Latteur, Yves Weinand, Aryan Rezaei Rad, Petras Vestartas, Nicolas Henry Pierre Louis Rogeau

This paper introduces a computational framework that fosters collaboration between architects, engineers, and contractors by bridging the gap between architectural design, structural analysis, and digital construction. The present research is oriented towa ...

CAADRIA2022

Macro Modeling Technique for Integrally-Attached Timber Plates: Sensitivity Analysis

Yves Weinand, Aryan Rezaei Rad, Henry V. Burton

Using the Integral Mechanical Attachment (IMA) technique, a new macroscopic model has recently been introduced to simulate the structural behavior of segmented timber plates. The macro model is based on employing only beam and spring elements, which aims t ...

2021

Structural design methodology in Integrally-Attached Timber Plate structures

Aryan Rezaei Rad, Petras Vestartas

The immediate application of research discoveries requires a global and exact understanding of the structure under consideration. To gain insight into the complex behavior of structures, numerical simulations are carried out in parallel to physical experim ...

Routledge, Taylor & Francis Group2021

Robotically-Fabricated Nexorades from Whole Timber

Yves Weinand, Aryan Rezaei Rad, Petras Vestartas

This paper introduces the conceptual design of sustainable timber structures using raw wood. It pre-sents a workflow for systematically generating Nexorades using a tiling method for multi-valence quad subdivided surfaces. The system is designed based on a ...

2021

A framework to automate the design of digitally-fabricated timber plate structures

Yves Weinand, Aryan Rezaei Rad, Henry V. Burton, Petras Vestartas, Nicolas Henry Pierre Louis Rogeau

The current study uses knowledge from digital architecture, computer science, engineering informatics, and structural engineering to formulate an algorithmic framework for integrated Computer-Aided Design (CAD) and Computer-Aided Engineering (CAE) of Integ ...

2021

Out-of-plane (flatwise) behavior of through-tenon connections using the integral mechanical attachment technique

Yves Weinand, Aryan Rezaei Rad, Henry V. Burton

This paper aims to characterize the force–deformation response of through-tenon wood-wood connections subjected to out-of-plane (flatwise) loads. Six beech LVL timber specimen groups with variations in the fiber orientation (parallel and perpendicular) and ...

2020

Macroscopic Model for Spatial Timber Plate Structures with Integral Mechanical Attachments

Yves Weinand, Aryan Rezaei Rad, Henry V. Burton

The use of integral mechanical attachments (IMAs) in spatial free-form timber plate structures has been revitalized by the production of engineered boards and recent developments in digital fabrication and computer-aided design. Despite the widespread inte ...

2020

Mechanical Characterization of Integrally-Attached Timber Plate Structures: Experimental studies and macro modeling technique

Aryan Rezaei Rad

Spurred by the recent advancements in Computer-Aided Design (CAD), Integral Mechanical Attachment (IMA) technique has been resurrected. Using IMAs, connections between timber elements are established through their form, instead of using additional connecto ...

EPFL2020

A new macro modeling approach in structural analysis of integrally-attached timber plate structures

Yves Weinand, Aryan Rezaei Rad, Henry V. Burton

Linnaeus University2019

Performance assessment of through-tenon timber joints under tension loads

Yves Weinand, Aryan Rezaei Rad, Henry V. Burton

This paper aims to characterize the force-deformation response of through-tenon wood-wood connections subjected to tensile loads. Four beech LVL timber specimen groups with variations in the fiber orientation, and the tab insertion angle (45°, and 60°) are ...

2019

Semi-Rigidity of Through-Tenon Joints under Tension and Shear Loads and Perpendicular-to-Grain Compression

Yves Weinand, Anh Chi Nguyen, Aryan Rezaei Rad

This report presents the results of experimental tests performed on through-tenon joints used in double-layered and double-curved timber plate shells recently developed. Three tests were carried out to determine the semi-rigidity of these wood-wood connect ...

Laboratory for Timber Constructions IBOIS2019

Numerical Simulation of the Semi-Rigid Behaviour of Integrally Attached Timber Folded Surface Structures

Yves Weinand, Andrea Stitic, Anh Chi Nguyen, Aryan Rezaei Rad

Timber folded surface structures assembled using semi-rigid multiple tab and slot joints (MTSJ) have been shown to form feasible structural systems with high load bearing potential. However, for their further development and use on large building scales, a ...

2019

Experimental push-out investigation on the in-plane force-deformation behavior of integrally-attached timber Through-Tenon joints

Yves Weinand, Aryan Rezaei Rad, Henry V. Burton

Spurred by developments in digital fabrication, there has been an increase in the application of the Integral Mechanical Attachment (IMA) technique in timber plate structures. Despite its increase in popularity, there have been very few systematic investig ...

2019

Segmented Spiral Using Inter-Connected Timber Elements

Yves Weinand, Aryan Rezaei Rad, Petras Vestartas, Martin Thomas Nakad, Loïc Henri Pelletier

This paper describes the construction process of a scenographic structure - five meters high spiral. It consists of following parts: CAD modeling work-flow, prototyping and FEM structural calculation, assembly and on-site loading test. The structure was co ...

INT CENTER NUMERICAL METHODS ENGINEERING2019

Seismic collapse performance of Los Angeles soft, weak, and open-front wall line woodframe structures retrofitted using different procedures

Aryan Rezaei Rad, Henry V. Burton

The Los Angeles Soft-Story Ordinance was enacted with the goal of reducing the collapse risk of woodframe buildings with soft, weak and open-front (SWOF) wall lines. Four alternative retrofit methods are permitted under the Ordinance including a SWOF-wall- ...

2019

Probabilistic Risk-Based Performance Evaluation of Seismically Base-Isolated Steel Structures Subjected to Far-Field Earthquakes

Aryan Rezaei Rad

The performance of base-isolated steel structures having special moment frames is assessed. The archetypes, which are designed per ASCE/SEI 7-2016, are simulated in the Finite Element (FE) computational platform, OpenSees. Adopting nonlinear dynamic analys ...

2018

Seismic Fragility Assessment of Asymmetric Structures Supported on TCFP Bearings Subjected to Near-field Earthquakes

Aryan Rezaei Rad

2018