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Karam SABView profile

Professor

• Mechanics
• Materials Science
• Civil Engineering
• +5 more

Karam SAB is a Professor at École nationale des ponts et chaussées (ENPC), leading the Mechanical and Materials Engineering department since 2020. He holds a HDR from Sorbonne University (1995) and has been a Research Director at the Navier laboratory (2010-2019). His research focuses on homogenization theory, composite materials, and structural analysis, with applications to civil engineering materials like concrete, CLT panels, and composites. He holds leadership roles at CNRS and INSIS. Education: Civil Engineer (ENPC, 1985), PhD (ENPC, 1989), HDR (Sorbonne, 1995). He teaches homogenization methods and chairs the ENPC/Sorbonne Master's in Mechanics. Current CNRS roles include Solid Mechanics Project Manager and Corporate Relations Project Manager. Research interests span mechanics of heterogeneous materials, plate theory generalizations, and computational methods. His work bridges theoretical advances (e.g., stress-gradient materials) with industrial applications in construction materials. Collaborative projects include Navier lab initiatives and EU-funded research. Publications emphasize multi-scale modeling, composite behavior, and advanced numerical techniques. His work on CLT panels, 3D-printed concrete, and fiber-reinforced materials reflects cutting-edge engineering innovation. Over 200 papers demonstrate contributions to structural mechanics and materials science. Professional activities include leading doctoral programs, directing labs, and serving on national committees. His expertise spans academic leadership, CNRS coordination, and industry-university partnerships.

Cédric BellisView profile

Research Fellow

• Computational Mechanics
• Homogenization
• Spectral Methods
• +4 more

Cédric Bellis is a CNRS Research Fellow at the Laboratory of Mechanics and Acoustics (LMA) in Marseille, France. His work focuses on computational mechanics and homogenization methods within the French academic research system. Dr. Bellis specializes in variational principles for computational homogenization and strategies for improving Fourier spectral methods. His research addresses the homogenization of periodic elastic composites through energetic variational principles, developing computational FFT-based approaches for mechanical problems. He has proposed novel geometric variational formulations that measure discrepancies in test fields related to kinematic, static, and material admissibility conditions. His work aims to advance homogenization techniques for composites with partially known or uncertain properties, including data-driven approaches. Dr. Bellis actively collaborates with research institutions including Centrale Nantes, where he presented a seminar on October 19, 2023, organized jointly by the 'Couplings and numerical methods for complex structures' and 'Mechanics and multi-scale physics of materials' research groups. His recent work includes developing a posteriori error estimators for FFT-based spectral methods and adaptive numerical techniques to improve performance in the presence of discontinuities or singularities.

Indre JödickeView profile

Researcher

• Mechanical Engineering
• Materials Science
• Computational Mechanics
• +3 more

Indre Jödicke serves as an Associated Doctoral Researcher in the Department of Microsystems Engineering at the Faculty of Engineering, University of Freiburg. Her work focuses on topology optimization of nonlinear mechanical metamaterials using Fast-Fourier-Transformation-based solvers to engineer materials with tailored nonlinear responses for long-lived, trainable systems. Her research spans Mechanical Engineering, Materials Science, and Computational Mechanics, with specific expertise in topology optimization, metamaterials, and nonlinear mechanical behavior. She investigates how material anisotropy and computational homogenization techniques can overcome manufacturing defects and numerical instabilities in architected materials. Analysis of her publications reveals a strong emphasis on computational material science. Her 2024 work addresses defect mitigation in architected materials through anisotropy, while her 2022 contribution solves ringing artifacts in FFT-based homogenization via finite-element projection. These studies advance structural optimization and computational homogenization methodologies. No scientific awards or fellowships are documented. She is supervised by Prof. Dr. Lars Pastewka within the livMatS cluster of excellence and has no listed advisees or additional grant information beyond her doctoral project.

• Multiscale materials modeling
• Computational homogenization of materials
• Crystal plasticity
• +4 more

Aitor Cruzado Garcia is a Research Professor in the Department of Aerospace Engineering at Texas A&M University. His research focuses on multiscale materials modeling, computational homogenization, crystal plasticity, and fatigue/fracture mechanics. Education: Ph.D., Industrial Engineering, Mondragon University, Spain (2013) M.Sc., Mechanical & Material Behavior, Mondragon University, Spain (2010) B.Sc., Industrial Engineering, Mondragon University, Spain (2008) Research Interests: Advanced materials modeling for polycrystalline superalloys (e.g., Inconel 718) Fretting wear mechanisms in thin steel wires Micromechanical simulation of deformation and fracture processes Development of crystal plasticity models for high-temperature applications Publications highlight computational methods for materials analysis, with recent work exploring dislocation dynamics and FFT-based homogenization techniques. His 2024 studies on size-dependent plasticity and void distribution effects demonstrate ongoing innovation in materials simulation. Notable awards include the International Doctor Distinction (2013) and an Erasmus Fellowship (2007). His work bridges computational mechanics and experimental validation, particularly in fatigue life prediction and superalloy behavior modeling.

Blažej BuchaView profile

Lecturer

• Gravity Field Modelling
• Geodesy
• Spherical Harmonics
• +7 more

Blažej Bucha is a Lecturer at the Department of Theoretical Geodesy and Geoinformatics , Slovak University of Technology in Bratislava. His research focuses on high-degree spherical harmonic synthesis, gravity field modeling of celestial bodies, and computational geodesy. Developed open-source software packages: GrafLab (gravity field visualization), CHarm (spherical harmonic transforms), and SRBF (regional gravity modeling). Key research areas include planetary geodesy (Moon, asteroid Bennu), divergence-free spherical harmonic expansions , and high-resolution gravitational mapping at scales down to 2 arc-seconds. Highest academic contributions involve ultra-high-degree harmonics (n=21600) and 256-digit precision calculations for resolving divergence effects. His work has applications in geoid determination, gravitational tensor analysis, and geophysical interpretation. Co-authored 15+ peer-reviewed papers in Journal of Geodesy , Geophysical Research Letters , and Computers & Geosciences . Developed grav-sr-2arcsec (Slovak Republic's gravitational maps) and GMSQ2019 (gravimetric quasigeoid at 2" resolution). Teaching activities include co-authoring the textbook Fyzikálna geodézia (2023) and delivering lectures on Physical Geodesy .

• Materials Science
• Civil Engineering
• Computational Mechanics
• +3 more

Dr. Elodie Donval is a Postdoctoral Researcher at the Institute of Engineering Mathematics within the Department of Civil Engineering at the University of Duisburg-Essen, Germany. She has held this position since December 2023 and is actively engaged in DFG-funded research projects. Her academic background includes: Preparatory Classes (2014-2016) at Lycée Joliot Curie, Rennes, France Engineering Degree in Civil Engineering (2016-2020) from École des Ponts ParisTech, Champs-sur-Marne, France Master in Mechanics: Multiscale approaches for materials and structures (2019-2020) from École des Ponts ParisTech PhD in Structures and Materials (2020-2023) from École des Ponts ParisTech and the Scientific and Technical Center for Building, with dissertation titled "Fire Resistance of Natural Stone Masonry Walls" Dr. Donval specializes in computational materials science with emphasis on microstructure generation and FFT-based homogenization techniques. Her current DFG-funded project focuses on modeling binder-jet 3D-printed sand microstructures, bridging civil engineering, additive manufacturing, and advanced computational methods. She applies multiscale modeling approaches to analyze material behavior at micro levels, contributing to sustainable construction material development. She is supported by competitive German Research Foundation (DFG) funding and collaborates within the Institute of Engineering Mathematics research ecosystem. Her work demonstrates strong integration of theoretical mechanics with practical civil engineering applications, particularly in emerging 3D printing technologies for construction materials.

• Civil Engineering
• Mechanical Engineering
• Manufacturing Engineering
• +3 more

Dr. Shiwei Zhou is an Associate Professor in the School of Engineering at RMIT University. His research focuses on structural topology optimization, materials engineering, and additive manufacturing, with applications in civil, mechanical, and biomedical engineering. He is actively involved in supervising research students and developing innovative methods for optimizing structural designs using computational techniques such as B-spline level set methods and reaction diffusion-based models. His work bridges theoretical advancements with practical applications in composite materials, porous structures, and energy-absorbing systems. Research Interests: Structural topology optimization for fiber-reinforced composites Design of lightweight and high-performance materials Additive manufacturing and 3D concrete printing Computational methods for material design and homogenization Energy absorption structures and metamaterials Articles and Contributions: Dr. Zhou’s recent work emphasizes advancing topology optimization techniques, particularly for complex materials and structures. His research trends include integrating B-spline and NURBS methods with level set approaches, exploring fluid-structure interactions, and developing open-source tools for structural analysis. His studies on porous materials and fail-safe truss designs highlight practical engineering solutions. Advising and Grants: Open to supervising PhD and Masters students in structural engineering and additive manufacturing. His projects include optimizing buildable structures for 3D concrete printing and designing high-performance shell lattices.

Sébastien BrisardView profile

Professor

• Theoretical and Numerical Homogenization
• Plate and Shell Theory
• Non-Destructive Material Characterization
• +6 more

Sébastien Brisard is a Professor in Mechanical and Materials Engineering at Gustave Eiffel University, affiliated with the Navier Laboratory. He specializes in theoretical and numerical homogenization, plate and shell mechanics, and non-destructive material characterization using advanced imaging techniques like X-ray tomography and small-angle X-ray scattering. His teaching includes plate and shell theory at the École Nationale des Ponts et Chaussées. Research focuses on multiscale modeling of heterogeneous materials, granular media mechanics, and stress-gradient composites. He has contributed to FFT-based numerical homogenization methods, poromechanics, and material microstructure analysis. His work bridges materials science and engineering through advanced computational techniques. Recent publications emphasize variance reduction strategies, fiber-reinforced composites, and pore structure analysis in cementitious materials. His methods are implemented in open-source tools like 'spam' for materials analysis. Brisard actively collaborates with institutions such as the Laboratory of Mechanics and Acoustics and the Multiscale Modeling group. Labs/Teams: Navier Laboratory (Gustave Eiffel University), Multiscale Modeling and Experimentation for Heterogeneous Solids group.

• Bio-sourced Polymers and Composites
• Generating in silico Microstructures
• Numerical Homogenization
• +3 more

Fabrice DETREZ is an Associate Professor of Engineering Science at University Gustave Eiffel, affiliated with the MSME Lab (Modélisation et Simulation Multi-Echelle). His research focuses on multiscale modeling of polymers and composites, addressing mechanical behavior optimization for sustainable materials. He teaches Materials Science and Engineering Mechanics at both undergraduate and graduate levels. Research Areas: Multiscale modeling, bio-sourced composites, numerical homogenization, atomistic simulations, and structure-property relationships. Key Projects: Includes WAIP (upcycling plastic blends), BIO ART (bio-based epoxy resins), ISCCAP (CO2-based foaming), and BI-STRECH (PET deformation analysis). His recent publications emphasize polymer crystallization mechanics, graphene-polymer nanocomposites, and material sustainability. Collaborations span academia and industry, with a focus on advancing eco-friendly materials through computational and experimental methods.

• Computational mathematics
• Geometric integration
• Lie theory
• +6 more

Hans Munthe-Kaas is a Professor of Mathematics at the University of Bergen, where he is also the Center Manager of the Lie-Størmer Center. He serves as Editor-in-Chief of Foundations of Computational Mathematics and President of the Norwegian Mathematical Society. Additionally, he is a member of the scientific advisory committee for the Trond Mohn Foundation and project leader for the RCN-Fripro project CODYSMA. His research focuses on computational mathematics, particularly geometric integration, Lie theory, differential geometry, algebra and combinatorics. Munthe-Kaas investigates algebras of connections on manifolds, combinatorics for formal solutions of dynamical systems, and structure-preserving discretizations. His work bridges pure and applied mathematics with computer science, with an emphasis on mathematical abstractions in computational science as tools for constructing efficient algorithms. Analysis of numerical Lie group integrators has led him to develop Lie-Butcher theory, which combines classical B-series for integration schemes with Lie series. This research connects to control theory, stochastic differential equations, renormalization, combinatorial Hopf algebra theory, and non-commutative symmetric functions. His publications show a consistent focus on geometric integration methods, with recent work exploring post-Lie algebras, aromatic B-series, and integration on symmetric spaces. Esso prize in 1999 for PhD work Munthe-Kaas has led significant research projects including the Lie-Størmer Center and CODYSMA. His work in computational mathematics has applications in numerical linear algebra, parallel algorithms, and fast elliptic solvers. He has also contributed to multivariate Chebyshev polynomials for spectral element methods based on triangular and simplicial domains. He is active in research groups including Applied and Computational Algebra and has been instrumental in developing coordinate-free formulations for numerical algorithm design through projects like SOPHUS. His DiffMan Matlab toolbox implements these ideas for solving differential equations on manifolds.