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Bio

See website https://research.mae.ncsu.edu/eischen/ for more information and a full list of publications (with PDF’s)

Area(s) of Expertise

Research: Solid mechanics, elasticity, fracture mechanics, computational solid mechanics, mechanics of fabrics, mechanics of layered media, advanced theories of gravitation.

Teaching: Solid mechanics, Strength of Mechanical Components, Design of Mechanical Systems, Automotive Engineering, Advanced Solid Mechanics, Fracture Mechanics

Consulting: Machine design, fatigue and failure analysis, fracture mechanics, structural mechanics, patent analysis.

Publications

• Proof of the GM‐GR parity theorem for the two-body problem , Physics Essays (2025)
• The Minkowski metric equation with a metric triangle applied to the twin paradox , Physics Education (2025)
• At the speed of light: Toward a quantum-deterministic description? , Physics Essays (2024)
• How Schwarzschild could have discovered and fixed the problem with his metric , Physics Essays (2024)
• Trajectory of a Spacecraft When It Passes by a Gravitational Body During Interstellar Travel , Journal of Spacecraft and Rockets (2023)
• Theory of spacetime impetus , Physics Essays (2021)
• Failure analysis of fretting fracture in frame rails of heavy duty trucks – Case study , Engineering Failure Analysis (2020)
• On a new field theory formulation and a space-time adjustment that predict the same precession of Mercury and the same bending of light as general relativity , Physics Essays (2020)
• Failure analysis of mixed mode crack growth in heavy duty truck frame rail , Case Studies in Engineering Failure Analysis (2016)
• Particle- and crack-size dependency of lithium-ion battery materials LiFePO₄ , AIMS Materials Science (2016)

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