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1Computational fluid dynamics modeling of abutment scour under steady current using the level set method显示文摘The scour and deposition pattern around an abutment under constant discharge condition is calculated using a three dimensional(3D) Computational Fluid Dynamics(CFD) model.The Reynolds-Averaged Navier Stokes(RANS) equations are solved in three dimensions using a CFD model.The Level Set Method(LSM) is used for calculation of both free surface and bed topography.The two-equation turbulence model(k-ε and k-ω) is used to calculate the eddy viscosity in the RANS equations.The pressure term in the RANS equations on a staggered grid is modeled using the Chorin’s projection method.The 5th order Weighted Essentially Non-Oscillatory(WENO) scheme discretizes the convective term of the RANS equations.The Kovacs and Parker and Dey formulations are used for the reduction in bed shear stress on the sloping bed.The model also used the sandslide algorithm which limits bed shear stress reduction during the erosion process.The numerical model solution is validated against experimental results collected at the Politecnico di Milano,Milan,Italy.Furthe r,the numerical model is tested for perfo rmance by varying the grid sizes and key parameters like the space and time discretization schemes.The effect of varying bed porosity has been evaluated.Overall,the free surface is well represented in a realistic manner and bed topography is well predicted using the Level Set Method(LSM).Mohammad Saud Afzal Hans Bihs Lalit Kumar 2020International Journal of Sediment Research2020,35,4:4
2Baossi–Warack monogenetic volcanoes, Adamawa Plateau,Cameroon: petrography, mineralogy and geochemistry显示文摘Three monogenetic cones in the Baossi–Warack area, Ngaoundéré, Adamawa Plateau forming part of the Cameroon Volcanic Line(CVL) are documented in this study. Basaltic lavas(<1 km^3) scattered around these vents and restricted volcaniclastic deposits were emplaced by Hawaiian and mild strombolian style eruptions. The lavas are porphyritic, mainly composed of olivine(chrysolite) and clinopyroxene(diopside and augite) phenocrysts and plagioclase(andesine) microphenocrysts. Accessory minerals include titano-magnetite and titano-hematite, nepheline,apatite and amphibole xenocrysts. Sanidine occurs in some samples and sodi-potassic albite in others. Some olivines and clinopyroxenes exhibit resorbed margins and thin reaction rims while plagioclase displays oscillatory zoning, and sieved textures as a result of magma mixing. Whole-rock geochemistry data indicates that the lavas are silica-undersaturated, composed of basanites and basalts, showing little compositional variations(SiO_2: 39.20 wt.%–48.01 wt.%,MgO: 5.29 wt.%–9.70 wt.%). Trace elements patterns of these lavas suggest they are enriched in LILE including Pb,probably due to crustal contamination. REE patterns suggest cogenetic magmas below Baossi 1 and Baossi 2 volcanoes,and distinct sources below Warack volcano and nearby lavas.The lavas studied show affinity to high-μ(HIMU), enriched type Ⅰ(EM1) and Oceanic Island Basalt(OIB)-like mantle signatures and thus indicate a heterogeneous mantle source underneath the vents as noted at other monogenetic and polygenetic volcanoes along the CVL. Primary melts derived from low degrees of partial melting(0.5%–2%) and encountered low rates of fractionation, and crustal contamination coupled with magma mixing. These melts evolved independently through structural weaknesses in the basement.Anicet Feudjio Tiabou Robert Temdjim Pierre Wandji Jacques-Marie Bardintzeff Vivian Bih Che Edith Ekatah Bate Tibang Caroline Neh Ngwa Fran?ois Xavier Onana Mebara 2019Acta Geochimica2019,38,1:2
3Promoting organizational learning and self-renewal in Taiwanese companies: the role of HRM 显示文摘Bih Shiaw Jaw and Weining Liu 2003Human Resource Management2003,42,3:1
4Forecasting global adoption of crystal display televisions with modified product diffusion model显示文摘BiH uei Tsai Yiming Li Guan Hua Lee 2010Computers&Industrial Engineering2010,58,4:1
5Evaluation of the VX2 rabbit auricle carcinoma as a model for head and neck cancer in humans显示文摘Van Es RJ Dullens HF van der Bih A 2000J Craniomaxillofac Surg2000,28,5:1
6Turning promise into progress for antiangiogenie agents in epithelial ovarian eancer显示文摘van der Bih AR de Vries EG de Jong S 2012Crit Rev Oncol Hematol2012,84,2:1
7MNEs and Local Linkages: Evidence from Taiwanese Affiliates显示文摘Bih Jane Liu 2010World Development2010,,4:1
8Evolution of hepatitis delta virus RNA during chronic infection 显示文摘Lee CM Bih FY Chao YC 1992Virology1992,188,1:1
9Entrepreneurial leadership, human capital management, and global competitiveness : An empirical study of Taiwanese MNCs 显示文摘YA - HUI LING BIH - SHIAW JAW 2011Journal of Chinese Human Resource Management2011,2,2:1
10Patient satisfaction and preference with magnet, bar-clip and ball-socket retained mandibular implant overdentures: a cross-over clinical trial 显示文摘Cune MS van Kampen FMC van der Bih A 2005Int J Prosthodont2005,18,2:1
11Retention and postinsertion main- tenance of bar-clip,ball and magnet attaehments in mandibular im- plant overdenture treatment: an in vivo eomparison after 3 months of fanction显示文摘Kampen FV Cune M Bih AV 2003Clin Oral Impl Res2003,14,:1
12Masticatory function with implant-supported overdentures 显示文摘Van Kampen FMC van der Bih A Cune MS 2004J Dent Res2004,83,9:1
13Thermal physical and spectroscopic investigations of P2O5-A2MoO4-A2O(A=Li,Na) glasses显示文摘BIH L ALLALI N YACOUBI A 1999Phys Chem Glasses1999,,40:1
14Tc-99m MAG3 Renal Studies: reno- gram and effective renal plasma flow in spinal cord injury patients 显示文摘Changlai SP Bih LI Lin DB 1999UrolInt1999,63,4:1
15Patient satisfaction with different types of implant,-retained overdentures in theedentare mandible显示文摘Cune MS vail Kampen FM van der Bih A 2006NedTijdschrTandheelkd2006,113,10:1
16Numerical modeling of abutment scour with the focus on the incipient motion on sloping beds显示文摘BIHS H OLSEN N R B 2011Journal of Hydraulic Engineering2011,137,:1
17Comparing a transrec- tal ultrasound-guided with a cystoscopy-guided botulinum toxin a injection in treating detrusor external sphincter dys- synergia in spinal cord injury显示文摘Chen SL Bih LI Chen GD 2011Am J Phys Med Rehabil2011,90,9:1
18Masticatory Func- tion with Implant-supported Overdentures显示文摘Van Kampen FMC van der Bih A Cune MS 2004J Dent Res2004,83,9:1
19Deriving minimal solutions for fuzzy relation equations with max-product composition 显示文摘Shieh Bih Sheue 2008Information Sciences2008,178,:1
20Application of radioisotope renography with technetium-99m mercaptoacetyltriglycine on patients with spinal cord injuries显示文摘Bih LI Changlai SP Ho CC 1994Arch Phys Med Rehabil1994,75,9:1
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