Tutorials How to apply arbitrary loads in Top3d In this tutorial, you will learn how to apply arbitrary loads in Top3d. Consider a unit cube with 8 nodes (Fig 1 on the left), each node has 3 degrees of freedom. Then

Tutorials Make Movies - Top3d If you want to make a topology optimization movie, simply follow this tutorial In some designs, some elements may be desired to be solid or void (active or passive). A $latex \texttt{nely}

Tutorials 3D Topology Optimization using Method of Moving Asymptotes - Top3d/MMA In this tutorial, you will learn how to implement Method of Moving Asymptotes(MMA) to our efficient 3d topology optimization program (top3d) in Matlab. Updates: The parameter c_MMA is increased by

Tutorials 3D Topology Optimization using MATLAB fmincon – top3d/fmincon In this tutorial, you will learn how to use Matlab fminconfunction as an optimizer in our 3d topology optimization program. It constrains six(6) main steps, i.e., Initialize Fmincon, Define Objective function,

Tutorials Hello world - 3D Topology optimization In this tutorial, you will learn how to execute your first 3d topology optimization hello world program using top3d. This is your first step into the 3d topology optimization world! [expand title="Step.

Tutorials Change boundary conditions - Top3d The boundary conditions are defined in an evolutionary way in our top3d program. This tutorial will show you how to change boundary conditions effortlessly and effectively. The boundary conditions and loading conditions are

Tutorials Multiple load cases - Top3d In this tutorial, you will learn how to modify the original 3d topology optimization program(top3d) to solve multiple load cases problem. In order to solve a multiple load cases problem, as shown

Tutorials Active and passive elements - Top3d In some designs, some elements may be desired to be solid or void (active or passive). In this tutorial you will learn how to set active and passive elements in the topology optimization

Tutorials [Filters] Sensitivity filter - Top3d In the topology optimization, filters are introduced to avoid numerical instabilities. Different filtering techniques may result different discreteness of the final solutions, and sometimes may even contribute to different topologies. In this series

Tutorials [Filters] Grayscale Filter - Top3d In the topology optimization, filters are introduced to avoid numerical instabilities. Different filtering techniques may result different discreteness of the final solutions, and sometimes may even contribute to different topologies. In this series

Tutorials Iterative solver - Top3d If the finite element mesh size becomes large, the traditional direct solver (line 72) used to address the finite element analysis is suffered by longer solving time and some other issues. However, iterative

Tutorials Continuations - Top3d In this tutorial, you will learn how to apply continuations strategy to derive the final solution to global minima. Convexity is a very preferable property since every local minima is also the global

Tutorials Compliant Mechanisms Synthesis – Top3d In mechanical engineering, compliant mechanisms are flexible mechanisms that transfer an input force or displacement to another point through elastic body deformation. These are usually monolithic (single-piece) or jointless structures with certain advantages

Tutorials Heat conduction - Top3d Heat in physics is defined as energy transferred between a system and its surrounding. The direct microscopic exchange of kinetic energy of particles through the boundary between two systems is called diffusion or