13 Apr

#### Computational Design of Planar 3D Structures -- Buckling -- Intermedium Results

1. Here is the intermedium results: plane stress of a CFFF rectangle plate, with uniaxial load The magnitude is the same, results are close (at least visually). Stress u direction displacement v direction displacement (results do not match well, but this is not the direction of interes...

06 Apr

#### Computational Design of Planar 3D Structures -- Buckling -- Intermedium Results

There are three steps I will take in order to implement this design tool: Step 1: Verify I operate correctly in FEA (Solidworks Simulation). In order to do this, I will use some existing numerical solution and/or analytical solutions to find out critical buckling load. Then I will apply this criti...

29 Mar

#### Buckling in planar 3d structures -- Intermedium results

As mentioned in the last blog post, there are two steps in solving buckling problems The first step is to calculate plane stress in the system. This step converts external load (in-plane load) into stress distribution in the plate, so as to be used later in the second step (buclking analysis) T...

17 Mar

#### Computational design toolbox for in-plane behavior in 3D structures with planar surfaces

Here is the design toolbox that I am currently implementing: Currently, I am implementing potential energy in plane stress analysis. The direct outcome will be the in-plane displacement and stress distribution. As soon as I get those results, I will compare them by: (1) using simple cases such a...

03 Mar

#### ICRA accepted & IROS submitted

IROS Submitted I am happy to have our IROS paper submitted. Here is our paper on arXiv. Here you can find the demo video. Here you can find all document (e.g. designs, codes, drawings). Here are all videos. Thank you everyone for your support! ICRA Accepted Congratulations to Wenz...

18 Feb

#### IROS paper demo

There are two things I would like to demonstrate: We can rapidly complete iterative design, for a device that failed initially. We can predict failure ahead of time. There are more things I would like to show: - A. Our design tool can be used on different materials Isotropic materi...

04 Feb

#### IROS paper plan

Validation of our approach How compare accuracy There are different ways of comparing result accuracy: Ratio of the maximum deflection calculated by the numerical solution to the corresponding values obtained analytically [1] [2] Ratio of deflection of deflection at a particular point...

26 Jan

#### Computational Design of Foldable Robotic Systems

High-Level Review (Previous Post) Entire project (Please note: this flow chart is constantly being updated) Current project (Please note: this flow chart is constantly being updated) Sub-project (Please note: this flow chart is constantly being updated) Current Project: Computation...

18 Jan

#### Plate Buckling Study, Irregular-shaped plate, Details

Goal: Computational design of foldable robot system -- Computational design of foldable robot bodies, under mechanical specifications (e.g. loading condition) ---- Computational design of building plates in foldable robot bodies ------ Computational design of polygon (irregular-shapped plates)...

08 Jan

#### Plate Buckling Study, Irregular-Shaped Plate

I am currently studying this paper On Solving the Irregularly-Shaped Plate Buckling Problem. "Traditional finite element theory assumes a set of displacement functions that are nodally based and minimizes the potential energy with respcct to the nodal coordinates." "The method of this pa...