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Determination of Optimal Principal Ship Dimensions Considering EEDI and Operational Efficiency

Bo-Sung Jung, Seung-Ho Ham • Journal of Marine Science and Engineering (2026)

The determination of principal dimensions in the early ship design stage requires iterative calculations based on the basis ship particulars and ship owner’s requirements, demanding considerable time and engineering effort. In modern shipbu...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse14100939

Key Variables for Effective eHealth Designs for Individuals With and Without Mental Health Disorders: 2^12-4 Fractional Factorial Experiment

Rotondi, Armando J, Grady, Jonathan, Hanusa, Barbara H, Haas, Gretchen L et al. • Journal of Medical Internet Research (2021)

BackgroundeHealth applications not only offer the potential to increase service convenience and responsiveness but also expand the ability to tailor services to improve relevance, engagement, and use. To achieve these goals, it is critical ...

DOAJ Open Access (DOAJ) DOI: 10.2196/23137

Optimization Design of Structures Subjected to Transient Loads Using First and Second Derivatives of Dynamic Displacement and Stress

Qimao Liu, Jing Zhang, Liubin Yan • Shock and Vibration (2012)

This paper developed an effective optimization method, i.e., gradient-Hessian matrix-based method or second order method, of frame structures subjected to the transient loads. An algorithm of first and second derivatives of dynamic displace...

DOAJ Open Access (DOAJ) DOI: 10.3233/SAV-2012-0685