ORCID Profile
0000-0003-1813-7446
Current Organisation
State Key Laboratory of Structural Analysis for Industrial Equipment
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Publications
Structure-material integrated design by level sets
Publisher: Springer Science and Business Media LLC
Date: 31-03-2016
A multi-material level set-based topology and shape optimization method
Publisher: Elsevier BV
Date: 2015
Topological shape optimization of microstructural metamaterials using a level set method
Publisher: Elsevier BV
Date: 05-2014
Isotropic “Quasi‐Fluid” Metamaterials Designed by Topology Optimization
Publisher: Wiley
Date: 26-11-2019
Automatic Design of Soft Dielectric Elastomer Actuators With Optimal Spatial Electric Fields
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 10-2019
Structural topology optimization with minimum distance control of multiphase embedded components by level set method
Publisher: Elsevier BV
Date: 07-2016
An adaptive refinement approach for topology optimization based on separated density field description
Publisher: Elsevier BV
Date: 02-2013
Quasiperiodic mechanical metamaterials with extreme isotropic stiffness
Publisher: Elsevier BV
Date: 2020
Concurrent design with connectable graded microstructures
Publisher: Elsevier BV
Date: 04-2017
A nodal variable method of structural topology optimization based on Shepard interpolant
Publisher: Wiley
Date: 02-12-2011
DOI: 10.1002/NME.3321
An adaptive method for high-resolution topology design
Publisher: Springer Science and Business Media LLC
Date: 25-11-2013
Structural topology optimization based on non-local Shepard interpolation of density field
Publisher: Elsevier BV
Date: 12-2011
Simultaneous enhancement of strength and ductility in a finegrained Fe-30Mn-0.11C steel at 77 K
Publisher: IOP Publishing
Date: 08-2019
DOI: 10.1088/1757-899X/580/1/012050
Abstract: High Mn austenitic steels are a class of materials for cryogenic applications. Previous studies on Fe-34.5Mn-0.04C austenitic steels have shown that refining grain size can suppress the formation of deformation-induced ε and α’ martensite and improve the tensile strength and ductility at temperatures down to 123 K. Here we report a new observation of simultaneous increase of strength and ductility at liquid nitrogen temperature (77 K) in a fine grained Fe-30Mn-0.11C (wt. %) steel where the addition of 0.11%C stabilizes the austenite. This improvement is attributed to complete suppression of martensitic transformation and enhanced occurrence of deformation twinning.
Integrated topology optimization with embedded movable holes based on combined description by material density and level sets
Publisher: Elsevier BV
Date: 03-2013
Simple optimal lattice structures for arbitrary loadings
Publisher: Elsevier BV
Date: 05-2019
Length scale control for structural optimization by level sets
Publisher: Elsevier BV
Date: 06-2016
A topology optimization method for geometrically nonlinear structures with meshless analysis and independent density field interpolation
Publisher: Springer Science and Business Media LLC
Date: 05-04-2014
Topology design of slender piezoelectric actuators with repetitive component patterns
Publisher: SAGE Publications
Date: 31-10-2011
Abstract: This article presents a study on topology optimization of planar piezoelectric actuators assembled with repetitive component patterns. Repetitive configuration has the advantage of ease of engineering implementation, especially for relatively slender structures. For realizing this concept in the design of piezoelectric actuators, topology optimization techniques are employed for seeking the optimal layout within the design domain of the structural components. The design objective is to maximize the work delivered by the displacement output port, while constraints are imposed on the actuation energy consumption and the material volume. Both the distributions of the actuation voltage and the topologies of the host layer and the piezoelectric layers are optimized. Power-law penalization functions are used to suppress intermediate values of material densities and actuation voltage. Numerical techniques for a sensitivity analysis of structural response are presented, and the proposed optimization problem is solved with a gradient-based mathematical programming approach. Two numerical ex les are given to demonstrate the applicability of the proposed approach. Compared with the method directly treating the whole design domain, this approach is shown to have a better convergence behavior and is able to provide final topologies that are better acceptable from engineering point of view.
Topological design of compliant smart structures with embedded movable actuators
Publisher: IOP Publishing
Date: 06-03-2014
Adaptive topology optimization with independent error control for separated displacement and density fields
Publisher: Elsevier BV
Date: 04-2014
Related Organisations
State Key Laboratory Of Structural Analysis For Industrial Equipment
Location: No location found
State Key Laboratory Of Structural Analysis For Industrial Equipment
Location: China
Related Funding Activities
No related grants have been discovered for Yiqiang Wang.