Results 91 to 100 of about 980 (183)

Analysis of Melting Phenomena of the Alkali Halides: What Causes the Low Melting Points of the Lithium Halides?

open access: yesJournal of Mass Spectrometry, Volume 61, Issue 6, June 2026.
ABSTRACT The alkali halides, like other polar crystals, melt at high temperatures, but the melting points (Tm) of the lithium halides are conspicuously lower (by about 300 ± 70 K) than expected from reasonable comparisons with the other alkali halides.
Lona Zeneyedpour, Peter C. Burgers
wiley   +1 more source

Elbow Flexors Muscle Fat Fraction Is a Sensitive and Relevant Outcome Measure in Nonambulant Patients With DMD

open access: yesNMR in Biomedicine, Volume 39, Issue 6, June 2026.
Quantitative MRI of upper limb muscles in DMD patients showed increasing sensitivity to change over time with larger analysis volumes and longer follow‐up. Muscle fat fraction had the highest sensitivity to change and was associated with declining upper limb function, supporting its value as a robust imaging biomarker in DMD. ABSTRACT Duchenne muscular
M. Michaëls   +5 more
wiley   +1 more source

An Efficient Geometrically‐Exact Nonlinear Shell Formulation Based on Rodrigues Parameters

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT Thin‐walled structures are part of many engineering applications, as wind turbine blades, pressure vessels, and sheet metal products. A thin‐walled structure is characterized by one significantly smaller dimension compared to the others.
Cinthia A. G. Sousa   +3 more
wiley   +1 more source

Newton's Interpolation Formulas

open access: yesJournal of the Institute of Actuaries, 1918
openaire   +2 more sources

Simultaneous Inversion for Underactuated Mechanical Systems with Servo‐Constraints

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT The dynamic inversion of underactuated mechanical systems can be formulated in the servo‐constraint framework using a set of differential‐algebraic equations (DAEs). In case of a high differentiation index, the inversion‐based feedforward control design poses significant challenges.
Tengman Wang
wiley   +1 more source

Physics‐Informed Recurrent Neural Networks for Predicting Elasto‐Plastic Behavior in Hierarchical Finite Element Modeling

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT Nanoporous gold, with its hierarchical structure comprising interconnected networks on multiple length scales, poses significant computational challenges for traditional modeling methods. To solve this challenge, this study introduces a physics‐informed recurrent neural network (RNN) to model the homogenized material response of a diamond beam‐
Lena Dyckhoff, Norbert Huber
wiley   +1 more source

Addressing Common Learning Obstacles in Mechanics Through Automated STACK Assignments: An Experience Report

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT In undergraduate engineering education, foundational courses in engineering mechanics pose considerable challenges for students due to the abstract and analytical nature of the subject matter. To enhance learning outcomes and provide immediate, formative feedback, automated STACK assignments incorporating the MECLIB library for parameterized ...
Ulrich Zwiers   +2 more
wiley   +1 more source

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