Technical papers

Low Transformation Temperature Welding Consumables for Residual Stress Management: A Numerical Model for the Prediction of Phase TransformationInduced Compressive Residual Stresses
Harmful tensile residual stresses are observed in structural steel weld joints as a result of the thermal strains between the solidified weld metal and surrounding base material. These harmful stresses, superimposed on …
Welding & Assembly Low Transformation Temperature Welding Consumables,Martensitic Transformation, PhaseInduced Volumetric Expansion, Residual Stress Management, Compressive Residual Stress, Numerical Analysis, Residual Stress Evolution with Time

Low Transformation Temperature Welding Consumables For Residual Stress Management: Consumables Development And Testing Qualification
Residual stresses induced during joining are major contributors to the overall stresses in the vicinity of structural weld joints. Undesirable tensile residual stress is observed in low-carbon structural steel weld…
Welding & Assembly Low-Transformation-Temperature Welding Consumables, Martensitic Transformation, Phase-Induced Volumetric Expansion, Residual Stress Management, Compressive Residual Stress, Fatigue Strength, Microstructures, Microhardness

Integrating Design Portal System
As part of the effort to create the new aero space craft, China Aerospace Science and Technology Corporation (CASC) analysed and optimized their design processes. The INTEGRATING DESIGN PORTAL SYSTEM (IDPS) helps to…
Virtual Integration Platform web portal, workflow design, optimization and management, project management, integration with LDAP, ARIS and enterprise knowledgebase

Development of system identification technique for the control of structually flexible SMT machines
Acquiring dynamic characteristics of a system is an important issue for predicting and evaluating the system’s performance in early development stages in order to shorten the development time as well as to meet required…
Virtual Integration Platform SMT machines, System identification, Transfer functions, Dynamic performance, Control algorithms

Aero Forming - An Introduction of Collaborative Engineering
The decrease of physical prototypes and the growing power of simulation in the design process require greater control in the design chain calculation. This is the main reason for the arrival of SDM in the perimeter of…
Virtual Integration Platform, Virtual Performance

Modeling Constellation Virtual Missions Using the Vdot Process Management Tool
The authors have identified a software tool suite that will support NASA’s Virtual Mission (VM) effort. This is accomplished by transforming a spreadsheet database of mission events, task inputs and outputs, timelines,…
Virtual Integration Platform

Welding characteristics and modeling of lithium-polymer battery for electric vehicle
The fatigue life is a major issue of weld joints due to a severe thermal exposure during the welding process. Welded joints experience highly localized heating and cooling from welding processes. As a result, the…
Welding & Assembly