Numerical Research on Amplitude of Batoid
نویسندگان
چکیده
This paper developed a biomimetic batoid model to investigate the effect of amplitude on propulsion performance. The contour of model’s pectoral fins was derived from natural batoid fish, and the model was made to simulate the locomotion of biological fish through user defined functions linked to Fluent. Numerical simulations of model were conducted at five different amplitude indices from 0.08 to 0.32 with increments of 0.06. The simulation results show that the forward swimming velocity of model increases as amplitude increases. At same time, the excellent propulsion performance emerges at the amplitude index of 0.14, which is consistent with conventional amplitude of living batoid fish.
منابع مشابه
Catch per unit area of Batoid fishes in the Northern Oman Sea
We report on results of a trawl survey to assess the abundance of Batoid fish resources in the Oman Sea. The catch per unit area CPUA as the main index was estimated. The objectives of this study were to determine the catch composition and distribution pattern of Batoid fishes in the study area and in different depth strata of the Oman Sea.A total of 82stations were randomly selected 2012. The ...
متن کاملPectoral fin locomotion in batoid fishes: undulation versus oscillation.
This study explores the dichotomy between undulatory (passing multiple waves down the fin or body) and oscillatory (flapping) locomotion by comparing the kinematics of pectoral fin locomotion in eight species of batoids (Dasyatis americana, D. sabina, D. say, D. violacea, Gymnura micrura, Raja eglanteria, Rhinobatos lentiginosus and Rhinoptera bonasus) that differ in their swimming behavior, ph...
متن کاملCatch per unit area of Batoid fishes in the Northern Oman Sea
We report on results of a trawl survey to assess the abundance of Batoid fish resources in the Oman Sea. The catch per unit area CPUA as the main index was estimated. The objectives of this study were to determine the catch composition and distribution pattern of Batoid fishes in the study area and in different depth strata of the Oman Sea.A total of 82stations were randomly selected 2012. The ...
متن کاملStructure and mechanical implications of the pectoral fin skeleton in the Longnose Skate (Chondrichthyes, Batoidea).
Animal propulsion systems are believed to show high energy and mechanical efficiency in assisting movement compared to artificial designs. As an example, batoid fishes have very light cartilaginous skeletons that facilitate their elegant swimming via enlarged wing-like pectoral fins. The aim of this work is to illustrate the hierarchical structure of the pectoral fin of a representative batoid,...
متن کاملIntroduction to the systematics and biodiversity of sharks, rays, and chimaeras (Chondrichthyes) of Taiwan.
All 13 orders of chondrichthyan fishes occur in Taiwanese waters, representing 52 chondrichthyan families (31 shark, 19 batoid, 2 chimaeroid) and 98 genera (64 shark, 31 batoid, 3 chimaeroid). A total of 119 shark, 58 batoid, and 4 chimaera species may occur in the waters surrounding Taiwan, pending taxonomic resolution of some groups. Of the 34 nominally described species from Taiwan, 17 are c...
متن کامل