Free FEM Course from MIT, Altair's PhysicsAI & Beyond CFD As We Know It
🧠 “I have not failed, but found 1000 ways to not make a light bulb.” – Thomas Edison
💻 Geometric Deep Learning - Altair's physicsAI - Eamon Whalen & Jonathan Ollar | Podcast 142
💻 Beyond CFD As We Know It – Multiscale Modeling
Before anything is built, we, as engineers, investigate whether it will work. Is our idea any good? We ask those with experience, consult textbooks, model, and simulate. For those of us who require significant de-risking before investing in hardware, we spend a lot of time with that last option.
Many modern engineering simulations are a type of Finite-Something (Element, Volume, Difference, take your pick). These techniques grant us insight into our design so that we may better understand its behavior and adjust accordingly. The better our simulation, the better our insight. At some point, the problem space becomes too challenging.
💻 FEM - Material & Geometric Nonlinearity
The blog post by my friend Lukasz Skotny highlights the significance of nonlinear analysis in engineering practice, especially when facing intricate problems beyond simple linear calculations. Nonlinear analysis becomes essential when dealing with high stresses, plasticity, or changes in geometry.
💻 High-Order Methods for Hypersonic Flows with Strong Shocks and Real Chemistry
The authors compare high-order methods including spectral difference (SD), flux reconstruction (FR), the entropy-stable discontinuous Galerkin spectral element method (ES-DGSEM), modal discontinuous Galerkin methods, and WENO to select the best candidate to simulate strong shock waves characteristic of hypersonic flows.
🎬 Channel of the Week - MIT | Finite Element Procedures for Solids and Structures, Linear Analysis
💻 Engineering Tool of the Week - OpenLB – Open Source Lattice Boltzmann Code
The OpenLB project provides a C++ package for the implementation of lattice Boltzmann methods that is general enough to address a vast range of transport problems, e.g. in computational fluid dynamics. The source code is publicly available and constructed in a well readable, modular way. This enables for a fast implementation of both simple academic test problems and advanced engineering applications. It is also easily extensible to include new physical content.
📚Book of the Week
Understanding Aerodynamics: Arguing from the Real Physics
Based on the author's decades of industrial experience with Boeing, this book helps students and practicing engineers to gain a greater physical understanding of aerodynamics. Relying on clear physical arguments and examples, McLean provides a much-needed, fresh approach to this sometimes contentious subject without shying away from addressing "real" aerodynamic situations as opposed to the oversimplified ones frequently used for mathematical convenience.
Motivated by the belief that engineering practice is enhanced in the long run by a robust understanding of the basics as well as real cause-and-effect relationships that lie behind the theory, he provides intuitive physical interpretations and explanations, debunking commonly-held misconceptions and misinterpretations, and building upon the contrasts provided by wrong explanations to strengthen understanding of the right ones.
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Keep engineering your mind! 🧠
Jousef