Lian Ocean University, Dalian 116023, China; [email protected] (H.L.); zhangguochen
Lian Ocean University, Dalian 116023, China; [email protected] (H.L.); [email protected] (G.Z.); [email protected] (X.L.); [email protected] (H.Z.); [email protected] (Q.Z.); [email protected] (W.L.) Innovation Center of Ocean Fisheries Equipment Professional Technology of Liaoning Province, Dalian 116023, China Correspondence: [email protected]; Tel.: +86-1516-408-Citation: Li, H.; Zhang, G.; Li, X.; Zhang, H.; Zhang, Q.; Liu, W.; Mu, G. Calibration in the Discrete Element Technique Parameters in Living Juvenile Manila Clam (Ruditapes philippinarum) and Seeding Verification. Hydroxyflutamide Protocol AgriEngineering 2021, three, 89406. https://doi.org/10.3390/ agriengineering3040056 Academic Editor: Mathew G. Pelletier Received: 9 October 2021 Accepted: 9 November 2021 Published: 13 NovemberAbstract: The Manila Clam is definitely an important economic shellfish in China’s seafood business. As a way to strengthen the design and style of juvenile Manila Clam seeding equipment, a juvenile clam discrete element approach (DEM) particle shape was established, which is based on 3D scanning and EDEM computer software. The DEM make contact with parameters of clam-stainless steel, and clam-acrylic had been (Z)-Semaxanib Technical Information calibrated by combining direct measurements and test simulations (slope sliding and dropping). Then, clam DEM simulation and realistic seeding tests were carried out on a seeding wheel at different rotational speeds. The accuracy of the calibrated clam DEM model was evaluated in a clam seeding verification test by comparing the average error with the variation coefficient involving the realistic and simulated seeding tests. The results showed that: (a) the static friction coefficients of clam-acrylic and clam-stainless steel had been 0.31 and 0.23, respectively; (b) the restitution coefficients of clam-clam, clam-acrylic, and clam-stainless steel have been 0.32, 0.48, and 0.32, respectively. Additionally, the results of the static repose angle from response surface tests showed that when the contact wall was acrylic, the coefficient rolling friction and static friction of clam-clam have been 0.17 and 1.12, respectively, as well as the coefficient rolling friction of clam-acrylic was 0.20. When the speak to wall was formed of stainless steel, the coefficient rolling friction and static friction of clam-clam had been 0.33 and 1.25, respectively, as well as the coefficient rolling friction of clam-stainless steel was 0.20. The results of your verification test showed that the average error between the realistic and simulated worth was 5.00 . Following up from these outcomes, the clam DEM model was applied in a clam seeding simulation. Keywords: juvenile Manila Clam; DEM calibration; speak to parameters; simulation test; mechanized seeding verificationPublisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.1. Introduction The Manila Clam (Ruditapes philippinarum) is amongst the most important farmed shellfish in China and has higher financial benefit. China’s Manila Clam production exceeded four 106 t in 2019 [1]. The seeding high quality of juvenile Manila Clams (clam) is definitely an important aspect affecting production. Currently, artificial seeding is the foremost clam seeding process and has the issues of high labor intensity, uneven seeding, and considerable solution damage [2]. The clams’ mechanized seeding can lessen farming fees and enhance financial returns. Nevertheless, there is no mechanized clam seeding gear around the market place at the moment. Hence, the development of mechanized seedin.