Automating adjoint sensitivity analysis for multidisciplinary models involving partial differential equations

R Xiang, SPC van Schie, L Scotzniovsky, J Yan… - Structural and …, 2024 - Springer
We present a general framework for incorporating partial differential equation (PDE)-based
models into gradient-based optimization of multidisciplinary systems by integrating FEniCSx …

Unstructured growth of irregular architectures for optimized metastructures

Y Jia, K Liu, XS Zhang - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
Mechanical metastructures have been prevailing recently owing to their unusual mechanical
responses. Despite notable progress in designing periodic metastructures, creating irregular …

[HTML][HTML] Projection-based reduced order modeling and data-driven artificial viscosity closures for incompressible fluid flows

A Prakash, YJ Zhang - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Projection-based reduced order models rely on offline–online model decomposition, where
the data-based energetic spatial basis is used in the expensive offline stage to obtain …

FFT‐based computational micromechanics with Dirichlet boundary conditions on the rotated staggered grid

L Risthaus, M Schneider - International Journal for Numerical …, 2024 - Wiley Online Library
Imposing nonperiodic boundary conditions for unit cell analyses may be necessary for a
number of reasons in applications, for example, for validation purposes and specific …

Advanced methodologies for model-based optimization and control of pharmaceutical processes

F Destro, PK Inguva, P Srisuma, RD Braatz - Current Opinion in Chemical …, 2024 - Elsevier
Traditionally, the pharmaceutical industry relied on resource-intensive and empirical
methods for process development, optimization, and control. Heuristic approaches to …

Self-consistent sharp interface theory of active condensate dynamics

A Goychuk, L Demarchi, I Maryshev, E Frey - Physical Review Research, 2024 - APS
Biomolecular condensates help organize the cell cytoplasm and nucleoplasm into spatial
compartments with different chemical compositions. A key feature of such compositional …

A large deformation viscoelasticity theory for elastomeric materials and its numerical implementation in the open-source finite element program FEniCSx

EM Stewart, L Anand - International Journal of Solids and Structures, 2024 - Elsevier
Elastomeric solid materials typically exhibit a pronounced viscoelastic response. In this
paper we consider a large deformation viscoelasticity theory for isotropic elastomeric …

[HTML][HTML] Multi-physics model bias correction with data-driven reduced order techniques: Application to nuclear case studies

S Riva, C Introini, A Cammi - Applied Mathematical Modelling, 2024 - Elsevier
Due to the multiple physics involved and their mutual and complex interactions, nuclear
engineers and researchers are constantly working on developing highly accurate Multi …

Spatial modeling algorithms for reactions and transport in biological cells

EA Francis, JG Laughlin, JS Dokken… - Nature Computational …, 2024 - nature.com
Biological cells rely on precise spatiotemporal coordination of biochemical reactions to
control their functions. Such cell signaling networks have been a common focus for …

Intrinsic mixed-dimensional beam-shell-solid couplings in linear Cosserat continua via tangential differential calculus

A Sky, JS Hale, A Zilian, SPA Bordas, P Neff - Computer Methods in …, 2024 - Elsevier
We present an approach to the coupling of mixed-dimensional continua by employing the
mathematically enriched linear Cosserat micropolar model. The kinematical reduction of the …