Research ArticleOpen accessPhrase in the titleParameter Calibration of Soil in the Poyang Lake Region Based on Discrete Element MethodBaoyu Zhu, Jun’an Liu, Xiongfei Chen et al.In order to obtain the soil parameters of Poyang Lake Region before direct seeding, the soil properties of Duchang County, Poyang County and Xinjian District recollected and the discrete element method model is established. The angle of repose of paddy soil is 53.00° tested by the lateral wall collapse method. Eleven parameters are used to establish EDEM simulation model with … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 4 · 16 Dec 2020 · 6,377 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleParameter Measurement and Calibration in Discrete Element Simulation of Broken Sweet Potato SeedlingsGuizhi Mu, Xieteng Qi, Wangzhi Zhang et al.Given the lack of accurate parameter values in discrete element simulation of sweet potato seedling mechanized recovery, a direct measurement and virtual calibration method was used to study the Discrete Element Method (DEM) simulation parameters of broken sweet potato stems and leaves. The intrinsic parameters, collision recovery coefficient and static friction coefficient of broken seedlings were acquired by physical experiments. … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 2 · 8 Jun 2021 · 6,369 accessesView PDFCite
Research ArticleOpen accessIn the abstractSimulation of Soybean Growth under Sowing Date Management by CROPGRO ModelFarzad Paknejad, Pouria Farahani Pad, Mohammad Nabi Ilkaee, Faezeh FazeliProblem statement: Always because of weather change, determine of optimum sowing date in each zone is difficult. Dynamic models can help us for solving this problem. In order to evaluation of soybean simulation by using of CROPGRO-Soybean model at four sowing date in field research of Azad university of Karaj branch a field experiment conducted in form of split plot … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 2 · 14 Mar 2012 · 7,908 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimization of Hydraulic Parameters of Iranshahr Alluvial AquiferJafar Rahnama-Rad, Mohammad Yaghoub Bavali, Reza DerakhshaniProblem statement: The Iranshahr aquifer consists of an unconfined layer. We simulated groundwater flow of the Iranshahr aquifer in a conceptual model. This model is a suitable tool for management of groundwater system and would also be effective when applied in other countries. Approach: In this study, we constructed the conceptual model of Iranshahr aquifer, which is important and applicable … …American Journal of Environmental Sciences, Vol. 6, Issue 6 · 31 Dec 2010 · 8,539 accessesView PDFCite
Research ArticleOpen accessIn the abstractAutomatic Calibration of Frequency Compensation System in Computer-Controlled Patch-Clamp AmplifierJun Xiong, Gang Hu, Anlian QuComputer-controlled patch-clamp amplifier is a digitally controlled analog device used to record the cellular ion channel currents in electrophysiology research. The inherent bandwidth and performance of the headstage is limited by the stray capacitance and distributed capacitance across the feedback resistors. In order to effectively improve the performance of the headstage, the paper advanced a simplified automatic calibration method of … …Journal of Computer Science, Vol. 3, Issue 10 · 31 Oct 2007 · 6,814 accessesView PDFCite