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| 1 | ANALYTICAL ANALYSIS OF MEMS CAPACITIVE PRESSURE SENSOR WITH CIRCULAR DIAPHRAGM UNDER DYNAMIC LOAD USING DIFFERENTIAL TRANSFORMATION METHOD(DTM)显示文摘In this paper, first a circular diaphragm is modeled using the classical plate theory.An analytical solution based on differential transformation method(DTM) and Runge-Kutta method is employed for solving the governing differential equation for the first time. Then the influences of various parameters on central deflection of the diaphragm, stress distribution and capacitance of pressure sensor with a time-dependent pressure are examined. Several case studies are compared with simulations to confirm the proposed method. The analytical results compared with ABAQUS simulation show excellent agreement with the simulation results. This method is very promising for time saving in calculating micro-device characteristics. | Marzieh Molla-Alipour Bahram Azizollah Ganji | 2015 | Acta Mechanica Solida Sinica2015,28,4: | 6 |
| 2 | Transient thermal behavior of radial fins of rectangular,triangular and hyperbolic profiles with temperature-dependent properties using DTM-FDM显示文摘This work focuses on transient thermal behavior of radial fins of rectangular,triangular and hyperbolic profiles with temperature-dependent properties.A hybrid numerical algorithm which combines differential transformation(DTM) and finite difference(FDM) methods is utilized to theoretically study the present problem.DTM and FDM are applied to the time and space domains of the problem,respectively.The accuracy of this method solution is checked against the numerical solution.Then,the effects of some applicable parameters were studied comparatively.Since a broad range of governing parameters are investigated,the results could be useful in a number of industrial and engineering applications. | Sobhan Mosayebidorcheh Mohammad Rahimi-Gorji D.D Ganji Taha Moayebidorcheh O Pourmehran M.Biglarian | 2017 | Journal of Central South University2017,24,3: | 4 |
| 3 | Structure Stability and Oxygen Permeability of Perovskite-type Oxides of Ba_(0.5)Sr_(0.5)Co_(0.8)Fe_(0.1)R_(0.1)O_ (3-δ)(R=Al,Mn,Fe,Ce,Cr,Ni,Co)显示文摘Perovskite-type Ba 0.5 Sr 0.5 Co 0.8 Fe 0.1 R 0.1 O 3 δ (R=Al,Mn,Fe,Ce,Cr,Ni,Co) oxide membranes were exploited and synthesized.Oxygen behavior,order-disorder transition and phase stability of these composite oxides were investigated by combined analysis of X-ray diffraction (XRD),temperature programmed desorption (TPD),thermogravimetric-differential thermal analysis (TG-DTA).Oxygen permeation through these membranes was studied by the gas chromatography (GC) method using a high-temperature permeation cell in a wide temperature range from 700 to 950 C.High permeation fluxes were observed for these materials.The high permeation flux was about 3.19 ml·min 1 ·cm 2 under air/He gradients at 950 C,which was achieved for Ba 0.5 Sr 0.5 Co 0.8 Fe 0.1 Ni 0.1 O 3 δ (BSCFNiO) membrane.The results of analysis showed no phase transition for BSCFNiO oxide with increasing temperature and XRD pattern of this material after O 2-TPD indicated to sustain a pure perovskite structure after oxygen permeation process. | Ensieh Ganji Babakhani Jafar Towfighi Laleh Shirazi Ali Nakhaeipour Akbar Zamaniyan Zahra Shafiei | 2012 | Journal of Materials Science & Technology2012,28,2: | 4 |
| 4 | Partial oxidation of methane in Ba_(0.5)Sr_(0.5)Co_(0.8)Fe_(0.1)Ni_(0.1)O_(3-δ) ceramic membrane reactor显示文摘Ba0.5Sr0.5Co0.8Fe0.1Ni0.1O3δ(BSCFNiO) perovskite oxides were synthesized using a combined EDTA-citrate complexation method,and then pressed into disk and applied in a membrane reactor.The performance of the BSCFNiO membrane reactor was studied for partial oxidation of methane over Ni/α-Al 2 O 3 catalyst.The time dependence of oxygen permeation rate and catalytic performance of BSCFNiO membrane during the catalyst initiation stage were investigated at 850 C.In unsteady state,oxygen permeation rate,methane conversion and CO selectivity were closely related to the state of the catalyst.After 300 min from the initial time,the reaction condition reached to steady state and oxygen permeation rate were obtained about 11.7cm 3 cm 2 min 1.Also,the performance of membrane reactor was studied at the temperatures between 750 and 950 C.The results demonstrated good performance for the membrane reactor,as CH 4 conversion and CO selectivity permeation rate reached 98% and 97.5%,respectively,and oxygen permeation rate was about 14.5 cm 3 cm 2 min 1 which was 6.8 times higher than that of air-helium gradient.Characterization of membrane surface by SEM after reaction showed that the original grains disappeared on both surfaces exposed to the air and reaction side,but XRD profile of the polished surface membrane indicated that the membrane bulk preserved the perovskite structure. | Ensieh Ganji Babakhani Jafar Towfighi Zahra Taheri Ali Nakhaei Pour Majid Zekordi Ali Taheri | 2012 | Journal of Natural Gas Chemistry2012,21,5: | 4 |
| 5 | Effect of Lorentz forces on forced-convection nanofluid flow over a stretched surface显示文摘 | Mohsen Sheikholeslami M.T. Mustafa Davood Domiri Ganji | 2016 | Particuology2016,14,3: | 3 |
| 6 | Trauma care system in Iran显示文摘客观在伊朗的损害的高负担要求一个全面损伤照顾系统的建立。这份报纸的目的是关于部件和功能描述损伤系统的当前的地位。在一个损伤系统的所有部件的损伤系统的当前的地位通过与损伤专家和政策制造者一起的专家面板和半结构化的会见被描述的方法。当前结果,各种各样的组织涉及损害,而是损伤的一条综合系统途径的预防,管理和康复是相当缺乏的。在通过媒介,交通规定加强,医院照顾和 prehospital 服务的公共教育的区域有进行中的进步。同时,关于高风险组资助,立法和教育有差距。教育和前面的训练标准上的问题衬里医疗队和持续教育和评估还有待于被探讨。损伤登记在一些省被驾驶了,但是作为它需要开发得好的基础结构(关于职员,维护,金融资源) ,它还没在我们损伤照顾的系统被建立。看起来,有损伤的问题之一在伊朗在乎的结论是在损伤系统组织之中的协作的缺乏。尽管损伤病人的临床的管理在最近的十年在我们的国家改善了,减少损害的负担在一个损伤系统的上下文要求一条组织途径到损伤的预防和管理。 | Moussa Zargar Seyed Mohammad Reza Kalantar Motamedi Mojgan Karbakhsh Seyed Mohammad Ghodsi Vafa Rahimi-Movaghar Farzad Panahi Soheil Saadat Ali Khaji Seyed Mahdi Davachi Sarah Ganji Mahmoud Khodabandeh Shahab Abdollahi Far Morteza Abdollahi Mohammad Reza Zarei | 2011 | Chinese Journal of Traumatology2011,14,3: | 3 |
| 7 | Solving nonlinear differential equations of Vanderpol, Rayleigh and Duffing by AGM显示文摘 | M. R. AKBARI D. D. GANJI A. MAJIDIAN A. R. AHMADI | 2014 | Frontiers of Mechanical Engineering2014,9,2: | 3 |
| 8 | Efficient approaches of determining the motion of a spherical particle in a swirling fluid flow using weighted residual methods显示文摘 | Seiyed E. Ghasemi M. Vatani D.D. Ganji | 2015 | Particuology2015,13,6: | 2 |
| 9 | On the MHD squeeze flow between two parallel disks with suction or injection via HAM and HPM显示文摘分析被执行了学习磁电机水动力学(MHD ) 的问题挤压在二个无限的、平行磁盘之间的电子上进行的液体的流动。调用 Homotopy 分析方法(火腿) 的分析方法和 Homotopy 不安方法(HPM ) 被用来解决非线性的微分方程。在解决这个问题作为边界价值问题(BVP ) 与数字分析的一种类型比较显示出能力和建议方法的宽范围的应用被尝试了。另外,速度领域为物理参数的各种各样的值图形地被计算了并且出现。现在的工作的目的是调查效果在速度领域上挤压雷纳兹数字, Hartmann 数字和吸 / 注射参数。而且,结果表明火腿和 HPM 很有效、方便。 | D. D. GANJI M. ABBASI J. RAHIMI M. GHOLAMI I. RAHIMIPETROUDI | 2014 | Frontiers of Mechanical Engineering2014,9,3: | 2 |
| 10 | Significant progress in solution of nonlinear equations at displacement of structure and heat transfer extended surface by new AGM approach显示文摘在这份报纸,我们试图支持解决二个复杂非线性的微分方程的能力:1 ) 有可变的生气的节区域的结构和有斜坡偏转的材料的静态的分析方法;2 ) 有有一条简单、创新的途径的(x) 和对数的各种各样的热产生 G (x) 命名 Akbari-Ganjis 方法(AGM ) 的对数的各种各样的表面的一维的热转移的问题。比较在 AGM 和数字方法,其结果表明这个方法很有效、简单并且能被申请之间被做另外的非线性的问题。在这个方法有一些珍贵优点,当在另外的方法没有保证获得好结果直到现在时,也,大多数微分方程集合能以这种方式被回答,是重要的。与另外的途径相比的这个方法的简短优越如下:1 ) 微分方程能被这个方法直接解决;2 ) 没有任何无尺寸的过程,方程能被解决;3 ) 把变量变换成新的不是必要的。根据在这案例研究被证明的上述的断言,解决非线性的方程的过程与另外的方法相比很容易、方便。 | M. R. AKBARI D. D. GANJI M. NIMAFAR A. R. AHMADI | 2014 | Frontiers of Mechanical Engineering2014,9,4: | 2 |
| 11 | Nonlinear vibration of an elastically restrained tapered beam显示文摘This paper presents the analytical simulation of an elastically restrained tapered cantilever beam using the energy balance method(EBM) and the iteration perturbation method(IPM).To assess the accuracy of solutions,we compare the results with the harmonic balance method(HBM).The obtained results from EBM and IPM are in excellent agreement with HBM results.The results show that both methods can be easily extended to other nonlinear oscillations and it can be predicted that both methods can be found widely applicable in engineering and physics. | KARIMPOUR S. GANJI S.S. BARARI A. IBSEN L.B. DOMAIRRY G. | 2012 | Science China(Physics,Mechanics & Astronomy)2012,55,10: | 2 |
| 12 | Evaluation of seismic reliability of gravity dam-reservoirinhomogeneous foundation coupled system显示文摘The seismic performance of gravity dam-reservoir-foundation coupled system is investigated utilizing probabilistic approach.In this research,the uncertainties associated with modeling parameters are incorporated in nonlinear response history simulations to realistically quantify their effects on the seismic performance of the system.The methodology is applied to Pine Flat gravity dam and the foundation is considered to be inhomogeneous assuming a constant spatial geometry but with various rock material properties.The sources of uncertainty are taken into account in the reliability analysis using Latin Hypercube Sampling procedure.The effects of the deconvolution process,number of samples,and foundation inhomogeneity are investigated. | Hamid Taghavi GANJI Mohammad ALEMBAGHERI Mohammad Houshmand KHANEGHAHI | 2019 | Frontiers of Structural and Civil Engineering2019,13,3: | 2 |
| 13 | Analyzing the nonlinear vibrational wave differential equation for the simplified model of Tower Cranes by Algebraic Method显示文摘 | M.R. AKBARI D.D. GANJI A.R. AHMADI Sayyid H. Hashemi KACHAPI | 2014 | Frontiers of Mechanical Engineering2014,9,1: | 2 |
| 14 | Acute lymphocytic myocarditis显示文摘 | Maedeh Ganji Jose Ruiz-Morales Saif Ibrahim | 2018 | Journal of Geriatric Cardiology2018,15,7: | 2 |
| 15 | Effect of Sintering Temperature on Microstructure and Hydrogen Permeation Properties of Perovskite Membrane显示文摘The BaCe0.9Y0.1O3-δ(BCY) perovskite membrane was successfully synthesized by liquid citrate method. The phase structure of the powder was characterized by X-ray diffraction (XRD). Scanning electron microscopy (SEM) was used to characterize microstructures of the membrane sintered under various conditions. Sintering temperatures and dwell time during sintering influence the final microstructure of the ceramic. Results showed that increasing sintering temperature resulted in a dense membrane with clear grains. An increase of dwell time was favorable to produce membranes with larger grains in the sintered ceramics. A density of 5.87 g/cm3 was reached for the membrane after sintering at 1200℃ with dwell time of 10 h. This resulted in the formation of dense membranes with clear structure and average grain size of 0.27 mm. The influence of microstructure on the hydrogen permeation flux through BCY was observed by measuring the hydrogen permeation flux, and the results showed that hydrogen permeation flux increases with increasing the average grain size of the membrane. From H2 permeation rates, it was found that bulk diffusion rather than surface reaction played the dominant role in H2 transport. | Marzieh Heidari Akbar Zamaniyan Aliakbar SafeKordi Ensieh Ganji Babakhani Mahdi Amanipour | 2013 | Journal of Materials Science & Technology2013,29,2: | 2 |
| 16 | Epicardial fat can mimic peri-cardial effusion on transoesophageal echocardiogram显示文摘 | Najib MQ Ganji JL Raizada A | 2011 | Eur J Echocar-diogr2011,12,10: | 1 |
| 17 | Application of the Energy Balance Method to Nonlinear Vibrating Equations 显示文摘 | MEHDIPOUR I GANJI D D MOZAFFARI M | 2010 | Current Applied Physics2010,10,: | 1 |
| 18 | Effect of different surfactants on methane hydrate formation rate,stability and storage capacity显示文摘 | Ganji M H Manteghian K Sadaghiani zadeh | | 0,,: | 1 |
| 19 | Correlation between HBsAg quantitative assay results and HBV DNA lev-els in chronic HBV显示文摘 | Ganji A Esmaeilzadeh A Ghafarzadegan K | | 0,,05: | 1 |
| 20 | EZH2inhibition as a therapeutic strategy for lymphoma with EZH2-activating mutations显示文摘 | McCabe MT Ott HM Ganji G | 2012 | Nature2012,492,: | 1 |