Скачать или смотреть TOP Webinar Tutorials: Density methods 1

The first of three tutorial lectures by Professor Ole Sigmund on density-based methods. The first lecture covers an overall introduction and the basics.

00:00 Welcome to webinar
01:40 Introduction of Prof. Ole Sigmund

03:27 Beginning of lecture
05:32 Historical background
10:13 Different methods
11:25 Overview of tutorial lectures
11:55 Basics of density method
16:00 Integer design variables
17:00 On non-gradient approaches
18:38 Giga-scale examples
19:00 On the use of AI
24:00 Continuous design variables
24:52 Variable thickness sheet
25:51 Penalisation and SIMP interpolation
30:41 RAMP interpolation
31:31 Optimisation problem
32:11 Sensitivity analysis
39:33 Checkerboard issue
41:55 Mesh dependency issue
43:02 Mesh independency and regularisation
44:28 Topology optimisation algorithm
45:01 Educational MATLAB codes and apps
46:51 On benchmarking and good practise
47:41 On gradient-free/proportional approaches
49:18 Stress optimisation
50:20 Next steps and recommendations
52:32 Examples of advanced problems
52:43 Potential issues and suggested solutions
55:02 Conclusions

56:03 Question sessions
56:25 B-rep and spline representations?
57:37 Applications outside solid mechanics?
59:05 Starting on a coarse mesh?
1:00:59 Python alternatives to codes?
1:02:03 Approaches for multiobjective problems?
1:02:36 Differences between SIMP and RAMP?
1:04:41 Regularisation?
1:06:54 Common mistakes for beginners?
1:09:02 Hybrid density-levelset?
1:10:38 Time-dependent problems?
1:13:20 Tunning of hyperparameters?
1:15:20 Dependence on initial design?

1:17:22 Thank you and rounding off
1:17:55 Sign up information for future webinars