![]() Material systems for impact protection and mitigation strategies.Combining experimental techniques and computation (FEMU, virtual fields methods, ML for material science).Mechanical measurements with advanced optics for biological systems and in situ experiments (LFM and TFM).Material modeling for soft, elastomeric and porous materials, including hierarchical and lattice-like engineered materials.Non-contact deformation tracking (DIC/DVC/PIV, PTV and SPT) and uncertainty quantification.Warning: Alex's twin brother Orion Kafka is also a research engineer in MML at the Boulder site and confusion is possible. Resultant open software and data and a highly collaborative approach to research helps material scientists, biomedical researchers, materials manufacturers, and protective equipment developers understand and design performant systems. This includes exploring new materials and materials models, and structure-property relationships, and understanding uncertainty and error sources for these methods. Overall, these experimental and computational capabilities build toward a program that incorporates sophisticated force application and imaging, deformation reconstruction, inverse property identification, machine learning (ML) and constitutive modeling techniques for material measurement and characterization. These enable advanced technique such as light field microscopy (LFM) and traction force microscopy (TFM) measurements, computational methods including finite element model updating (FEMU) and constitutive model fitting routines, and provide key data and diagnostics for material characterization. Full-field measurement strategies focus on 2D, surface-3D and volumetric digital image correlation (DIC/DVC), particle image velocimetry and single particle tracking (PIV and PTV/SPT), in addition to other image analysis modalities. Methods include commercial off-the-shelf and custom instruments such as universal testing systems, dynamic mechanical analysis, drop tower impact, and optical imaging systems. ![]() Alex specializes in full-field measurements in mechanics across domains including soft materials, impact protection, 3D printing, and cell mechanobiology. Alex Landauer is an experimental solid mechanician and mechanical engineer in the Security Technologies Group.
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