Welcome to our Mining equipment manufacturing base, Contact Us


Nov 01, 2020· Replacing solid structures with lattice structure is a way enabled by additive manufacturing (AM) to realize part lightweight design. Conventional design optimization method based on homogeneous periodic lattice structure cannot achieve the optimal structure without taking the stress magnitude and orientation into account.


Small structural changes or off-the-shelf approaches for de-layering rarely result in lasting value. Successful redesigns don't just fix pain points, they go beyond "boxes and lines" to deliver on a holistic set of design imperatives. We assess strengths and opportunities unique to each business to design a more effective operating model ...


The benefits of design optimization are improved performance, reduced material cost and product weight, extended product life, minimized hydraulic head loss, contained thermal loads, and more. Design optimization delivers an improved product and/or reduces unit cost giving you an advantage over your competition.


The general mathematical formulation for structural topology optimization problem is where f(ρ, x) is an objective function, x and ρ are significant design variable vectors concerning nodal coordinates and densities, where N ele and N node are the number of FE besides nodes classifying the projection profile, x lb denotes the lower bound of ...


The optimization problem is solved using the sequential optimization method and the particle swarm optimization method. Chapter 4 explores sensitivity of optimal distribution of dampers to in-structure damping and the effect of inherent assumption of linearity of …


Design optimization applies the methods of mathematical optimization to design problem formulations and it is sometimes used interchangeably with the term engineering optimization. When the objective function f is a vector rather than a scalar, the problem becomes a multi-objective optimization one.


May 07, 2021· Graded structure design based on triply periodic minimal surface (TPMS) structures can effectively improve the stiffness of lightweight structures. To further improve the structural stiffness of these lattice structures, a novel optimization method combing performance characteristics of various morphology lattice structures is proposed. First, a …


Oct 30, 2019· Keywords. Optimal design of macro-, micro- and nanomaterials. Design of isotropic and anisotropic properties. Optimal design of structures subjected to static and fatigue loads. Quality control in design and manufacturing of materials. Optimization algorithms used in material and structural design.


Optimization in Structural Design. 41 It is fairly accepted fact that one of the most important human activities is decision making. It does not matter what field of activity one belongs to. Whether it is political, military, economic or technological, decisions have a …


2.0 Structural Optimization Problem Formulation The structural optimization problem can be cast as a nonlinear mathematical programming problem as: Find the n design variables x within prescribed lower and upper bounds (, 1,2,..., )LB UB xiii xx i n such that the scalar objective function f ()x is minimized.


Get More Information

Digital Structures

Structural optimization techniques offer means to design efficient structures and reduce their impact on the environment by saving material quantities. However, until very recently, the resulting geometrical complexity of an optimized structural design was costly and difficult to …


On design optimization for structural crashworthiness 1093 (2013), Zhang et al. (2014b)) should also be taken into ac-count for crashworthiness design of crashing components. In addition, from the practical point of view, it is recommended that the roles of each safety component/system should be an-


May 08, 2020· Lightweight lattice structure generation and topology optimization (TO) are common design methodologies. In order to further improve potential structural stiffness of lattice structures, a method combining the multi-topology lattice structure design based on unit-cell library with topology optimization is proposed to optimize the parts.


Get More Information

About structural optimization

Structural optimization introduces its own terminology. The following terms are used throughout the Abaqus documentation and the Abaqus/CAE user interface: Design area. The design area is the region of your model that the structural optimization modifies.


opposed to traditional structural optimization techniques, which are typically conducted by manipulating the geom-etry of the structure (the form diagram), the approach presented in this paper establishes a Graphic Statics solution to the problem, where structural optimization is conducted using design variables in the force domain (force diagram).


structures are composed of multiple orthotropic material layers bonded together to form a single performing part. As such, the layup design of the material largely influences the structural performance. Optimization techniques such as the Genetic Algorithm (GA), Differential Evolution (DE), the Method of Feasible Directions (MFD), and others can be


Optimization / Finite Element Packages: Several computer program packages are available now for 4.1 Topology Optimization: Topology Optimization [3 0] solving a variety of design optimization models, which is an increasingly powerful design tool, which can be can be coded to interact with finite elements structural used to optimize the material ...


Structural optimization, or the use of numerical optimization techniques to design material-efficient or cost-effective structures, has great potential for the construction industry. The construction industry is responsible for a large share of the worldwide consumption of natural resources, and structural optimization can help to reduce this, so improving the …


Sep 28, 2021· Structural and Multidisciplinary Optimization is at the converging frontier of design, engineering, simulation, additive manufacturing, AI and digital-twins. The field has become increasingly important for improving environmental sustainability and combating climate change through enhancing efficiency of engineering products.


Jan 11, 2005· 16.810 16.810 Engineering Design and Rapid Prototyping Lecture 6 Design Optimization-Structural Design Optimization -Instructor(s) …


Jan 01, 2021· Optimization design of H3DP structures5.1. Optimization method5.1.1. Definition of the optimization problem. For energy absorbing structures, it is expected to absorb high kinetic energy per unit mass and have low peak crushing force due to the safety demand of the buffered equipment.


Finally, we chose beam-type wing. Then we made the detailed design on the beam, rib, skin and web. After structure design, we optimized the wing to reduce the weight of wing. At last, we use Catia to draw the 3D model of detailed parts for potential realistic production. The design and optimization for a fixed-wing UAV is finished.


With the recent advances in AM, systematic design optimization approaches are needed for generating structures which take advantage of the design freedom available. With the added design freedom, lattice structures, which consist of a repeating unit cell topology patterned


This optimization formulation is demonstrated with the use of design examples that study the stiffness distribution effects on optimal span lengths of portal frames, optimal number of supports for a given span, and optimal sizing in multi-story structures.


Mar 24, 2008· Uncertainties play a dominant role in the design and optimization of structures and infrastructures. In optimum design of structural systems due to variations of the material, manufacturing variations, variations of the external loads and modelling uncertainty, the parameters of a structure, a structural system and its environment are not given, fixed …


advances in structural design optimization. The first three papers deal with the design optimization of skeletal structures. The paper by Saka presents the optimum geometry design of geodesic domes using the harmony search algorithm. The optimization method treats the height of the crown and the cross-sectional designations of members as design ...


Oct 06, 2015· The results are shown in Table 3 and Fig. 7b is the beam model of the optimal NPR structure. After the optimization, the displacement of the top center point on the NPR structure decreases from 8.51 to 6.36 mm. Although the total mass increases from 18.35 to 19.10 g, it still satisfies the design requirements.


Evolutionary optimization algorithms have been also applied to the design of FSS structures. In, an optimization process based on GAs [79,80] for the design of dual-band FSS structures was presented. The shape of the unit cell was optimized, …


Organizational design and optimization is defined as the assembly, alignment, and leveraging of an organization's resources to realize its stated goals/objectives. It exists at the nexus of high efficiency, high effectiveness, and high utilization of all relevant and available resources at the organization's disposal.


Design variables are parameters that can change directly or indirectly dimension of elements, grid locations and/or material properties. Structural Optimization Structural optimization is a kind of optimization used to improve structures. In structural optimization the …


Structure-Based Design and Pharmacokinetic Optimization of Covalent Allosteric Inhibitors of the Mutant GTPase KRAS G12C J Med Chem . 2020 May 14;63(9):4468-4483. doi: 10.1021/acs.jmedchem.9b01720.


Disciplinary design software in many disciplines (such as OptiStruct or NASTRAN, a finite element analysis program for structural design) have become very mature. In addition, many optimization algorithms, in particular the population-based …


10th World Congress on Structural and Multidisciplinary Optimization May 19 -24, 2013, Orlando, Florida, USA 1 On Challenges and Solutions of Topology Optimization for Aerospace Structural Design Wenjiong Gu United Technologies Research Center, East Hartford, CT 06108, USA, [email protected]


This is the result of an multi-objective multi-disciplinary design optimization of an aircraft wing structure where 3 conflicting objectives were optimized. ...


are not intended for the design of optimal structures. In the field of structural engineering, the use of numerical opti-mization techniques to aid design dates back to at least 1956 when linear programming was used to optimize frame structures based on plastic design theory [Heyman 1956]. Since then, extensive