Post-processing feature-mapping topology optimisation designs towards feature-based CAD processing
Feature-mapping (FM) optimisation frameworks have received much attention for structural topology optimisation with explicit geometric parameters. This paper presents a methodology for constructing parametric feature-based CAD models from designs ...
Random matrix theory for robust topology optimization with material uncertainty
This paper presents an efficient computational method for optimal structural design in the presence of uncertain Young’s modulus modeled using discretized random fields. To quantify and propagate the uncertainty, random matrix theory is employed ...
Multidisciplinary design optimization in Architecture, Engineering, and Construction: a detailed review and call for collaboration
The design of buildings has become a complex and multidisciplinary problem involving multiple conflicting objectives as architects and designers address competing technical, economic, environmental, and societal concerns. This has been driving ...
A new optimization strategy for multi-objective design of automotive seat frame
Optimal automobile seat design can play a significant role in passenger safety during high-speed accidents. To tackle the challenge of optimizing automotive seats, this paper presents a detailed optimization design method. In detail, the finite ...
Multi-scale concurrent topology optimization of frequency- and temperature-dependent viscoelastic structures for enhanced damping performance
The vibration characteristics of composite structures are influenced not only by the macro-layout and micro-configuration of the viscoelastic material but are also intricately linked with the inherent properties of the material. In this study, we ...
Optimization of cavitation characteristics of aviation fuel centrifugal pump inducer based on surrogate model
This paper presents a method for optimizing the cavitation performance of aviation fuel centrifugal pump inducer based on surrogate model with highly accurate simulations. To mitigate the interface blurring effect caused by the dissipation of ...
Multiscale concurrent topology optimization for structures with multiple lattice materials considering interface connectivity
Ensuring connection between different lattice materials is a very aspect of topic in multiscale concurrent topology optimization methods. This paper presents a novel approach to design structures that comprise multiple lattice substructures. This ...
High-resolution topology optimization method of multi-morphology lattice structures based on three-dimensional convolutional neural networks (3D-CNN)
The application of lattice structures provides significant benefits for lightweight structural design. To further strengthen structural stiffness, multi-morphology lattice structures are integrated into topology optimization. Considering the high ...
A novel geometric nonlinear reduced order modeling method using multi-fidelity surrogate for real-time structural analysis
Finite element models (FEM) of geometrically nonlinear structures are increasingly computationally expensive as physical systems become more complex. Nonlinear reduced order models (NLROM) are an efficient alternative to simulate the dynamic ...
Multifidelity aerodynamic shape optimization for mitigating dynamic stall using Cokriging regression-based infill
This work proposes a multifidelity modeling approach to mitigate adverse characteristics of airfoil dynamic stall through aerodynamic shape optimization (ASO). Cokriging regression (CKR) is used to efficiently determine an optimum airfoil shape by ...
Augmented Lagrangian approach for multi-objective topology optimization of energy storage flywheels with local stress constraints
Flywheel energy storage systems (FESS) used in short-duration grid energy storage applications can help improve power quality, grid reliability, and robustness. Flywheels are mechanical devices that can store energy as the inertia of a rotating ...
An adaptive dual-Kriging method based on parameter sensitivity analysis and application to vibration reduction optimization of helicopter rotor test-bed
The surrogate-based model optimization method has been successfully applied in various engineering optimization problems across multiple fields. However, when facing high-dimensional optimization problems with multi-design variables, the ...
Industrial application of thermofluid topology optimization to rollbonding cold plates with dedicated manufacturing constraints
The transition of the automotive industry towards electro-mobility is highly dependent on the performance of batteries. Those batteries need a temperature management system, often realized as sheet metal cold plates with integrated channel ...
