Results 21 to 30 of about 1,158 (208)

Static Topology Optimization and Dynamic Characteristics Analysis of 6000T Compression‐Shear Test Machine Frame

open access: yesAdvances in Civil Engineering, Volume 2021, Issue 1, 2021., 2021
This work aims to achieve the 6000t compression‐shear test machine frame design with the lightweight. The force condition of the compression‐shear test machine frame under limited working conditions is first analyzed, and the static analysis of the compression‐shear test machine frame is performed using ABAQUS.
Genshang Wu   +8 more
wiley   +1 more source

PREDICTION OF RESIDUAL RESISTANCE OF A TRIMARAN VESSEL BY USING AN ARTIFICIAL NEURAL NETWORK

open access: yesBrodogradnja, 2022
Trimaran hull forms have been popular recently in both commercial and military usage due to reduction in resistance at high speeds, better stability, and greater deck area compared to conventional monohull vessels.
Burak Yildiz
doaj   +1 more source

Study on vertical motion reduction of a trimaran based on collaborative controlled appendages

open access: yesInternational Journal of Advanced Robotic Systems, 2020
In recent years, the trimaran as a novel ship has been greatly developed. The subsequent large vertical motion needs to be studied and resolved. In this article, an experimental study for a trimaran vertical stabilization control is carried out.
Zhilin Liu   +4 more
doaj   +1 more source

Numerical study of trimaran wave load based on time-domain Rankine method

open access: yesBrodogradnja, 2023
Due to the complex fluid interference between outrigger and main hull, it is difficult to predict the trimaran load fluctuation accurately in different marine environments.
Haoyun Tang, Qian Wan, Huilong Ren
doaj   +1 more source

Investigation on the Radar Scattering and Doppler Spectrum From Trimaran Based on the Motion of Six Degrees of Freedom

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
The trimaran is an advanced ship with high hydrodynamic performance, but the study of its electromagnetic characteristics and Doppler spectrum is insufficient. This study presents a new procedure for evaluating the scattering echo and Doppler spectrum of
Yuxin Deng   +3 more
doaj   +1 more source

A Method of a Trimaran Vertical Movements Reduction Control and Hardware Realization

open access: yesIEEE Access, 2019
The vertical movements of a trimaran, which can produce a vertical acceleration, always make people feel seasickness and cause equipment damage on the board. This paper presents a method of a trimaran vertical stabilization control.
Bowen Zeng, Yang Song, Linhe Zheng
doaj   +1 more source

Resistance Performance Forecast of Trimaran Based on Multiple Regression Analysis [PDF]

open access: yesE3S Web of Conferences, 2021
Based on the multiple linear regression of the relevant data of 29 ships in the basic database, including cargo ship, oil ship, container ship and chemical ship, etc, the empirical estimation formula of resistance coefficient of single ship under ...
Xu Xiao Ying, Meng Chao Ying, Wang Kuan
doaj   +1 more source

Vertical Stabilization Control for Trimaran Based on Resultant Force and Moment Distribution

open access: yesIEEE Access, 2019
The vertical movement of a trimaran caused by external disturbances during sailing, may lead to seasickness of the passengers and damage of the equipment onboard. Based on computational fluid dynamics (CFD) calculations, the hydrodynamic coefficients are
Zhilin Liu   +3 more
doaj   +1 more source

Randomized controlled trial of triple versus dual inhaler therapy on small airways in smoking asthmatics

open access: yesClinical &Experimental Allergy, Volume 50, Issue 10, Page 1140-1147, October 2020., 2020
Abstract Background Smoking worsens underlying asthma inflammation and also induces resistance to inhaled corticosteroids (ICS). Small airways dysfunction measured by impulse oscillometry (IOS) is associated with worse control. Objectives We investigated the effects on small airways of adding long‐acting beta‐agonist (LABA) alone or with long‐acting ...
Sunny Jabbal   +2 more
wiley   +1 more source

Longitudinal motion control for high-speed trimaran based on computational fluid dynamics and predictive control

open access: yesInternational Journal of Advanced Robotic Systems, 2020
This article investigates a model predictive control (MPC) with disturbance observer (DOB) for a trimaran longitudinal motion control. Firstly, to design the trimaran longitudinal motion stability controller, the mathematical model of the trimaran ...
Zhilin Liu, Linhe Zheng, Guosheng Li
doaj   +1 more source

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