mathematical model simulation algorithm

... ability of Cau River 3.2 Modeling water quality of Cau River by QUAL2E The Enhanced Stream Water Quality Model (QUAL2E) is a comprehensive and versatile stream water quality model It can simulate ... assessment and simulation of the water quality of Operating model with observed data for four components: DO, BOD, COD, N-NH4, we obtained result as follow: Table 2: Results of simulation with ... model is intended for using as a water quality planning tool [5] The modeling procedure included: establishing parameter set for model, inputting observed data, calibrating, making scenarios and...

Ngày tải lên: 05/03/2014, 10:20

... waves using a two-phase flow model, Applied Mathematical Modeling 28 (2004) 983 [3] P.D Hieu, Numerical simulation of wavestructure interactions based on two-phase flow model, Doctoral Thesis, Saitama ... Tanimoto (2006) [4] proposed an excellent model named CMED (Coastal Model for Engineering Design) based on the Navier-Stokes equations and VOF method for simulation of waves in surf zone and wave-structure ... A two-phase flow model for simulation of wave transformation in shallow water, Proc 4th Int Summer Symposium Kyoto, JSCE (2002) 179 [2] P.D Hieu, K Tanimoto, V.T Ca, Numerical simulation of breaking...

Ngày tải lên: 14/03/2014, 15:20

... protected constructions by using LITPACK model After  arranging  shoreline  protected  constructions system, modeling study shoreline  is  implemented  by  using  LITPACK  model to  simulate,  calculate  ... construction type such as apparent length, useful  length, distance from structure to shoreline,   2.6. Modeling the calculated area   The  mathematical model is  applied  into  an  area  of 5820 m  in length (from  Hoang Chau  ... shoreline  (120  points).  Time  of  simulation is  12  months,  from  January  to  December  of  a  year,  and  the  step  is  60  hours.  Input  data  for  the  model consist  of  number  calculated ...

Ngày tải lên: 22/03/2014, 12:20

... Methods Model development The isovelocity model is based on the Hill-type isometric force model developed by our laboratory [5,16,17,22] This isometric model is used because it is the only model ... optimal pattern is to use mathematical models that can predict forces accurately to a range of physiological conditions and stimulation patterns In addition, mathematical models used in conjunction ... representation of a Hill-type model used for modeling the muscle's response to electrical stimulation A) Schematic representation of a Hill-type model used for modeling the muscle's response...

Ngày tải lên: 19/06/2014, 08:20

... (t)dt (9) Dl Parking guidance model To implicate the parking guidance configuration strategies, an objective function should be determined and a mathematical optimized model should be constructed ... parks Since the optimized model of PGIS configuration considers the parking choice behavior, the following assumptions were made to provide simplistic representation of the model (1) All the parking ... availability status displayed on each VMS can be determined by Equations 10 and 11 instantaneously Model algorithm If each PGI sign board displays the availability status of all parking spaces in this...

Ngày tải lên: 20/06/2014, 22:20

... mathematical model of the dopaminergic synapse: stability and sensitivity analyses, and simulation of Parkinson's disease Cyber Syst 1982, 13:257-274 Tretter F, Eberle E, Scherer J: A basic mathematical ... rate rate It would be interesting to test this prediction of the model experimentally Discussion The purpose of a mathematical model is not only to summarize or represent the biology that is already ... this model In our model the DATs put released dopamine back into the terminal, but we not include leakage of cytosolic dopamine through the DATs into the extracellular space We include in the model...

Ngày tải lên: 13/08/2014, 16:20

... and Medical Modelling 2009, 6:26 http://www.tbiomed.com/content/6/1/26 The model simulation results are consistent with those of currently existing theoretical models, such as the models of Sturis ... Sturis' model by introducing two explicit time-delays [8] Excellent overviews of the mathematical models dealing with many aspects of diabetes are available, e.g., [9,10] Although these models ... values are assumed for simulation only They not have any physiological meaning and/or are not based on strong evidence Model verification Simulations are conducted using the model to compute the...

Ngày tải lên: 13/08/2014, 16:20

... used a mathematical model to explain why the rhythmic degradation of the mRNA of serotonin N-acetyltransferase is essential for its circadian rhythm Tanaka et al.[49] used a mathematical model ... D All calculations for DA were done using the mathematical model described in [41] and the calculations for 5-HT were done using the mathematical model in this paper curve are large because the ... generator for locomotion:a mathematical model J Math Biol 1982, 13:345-369 44 Butera RJ: Implementation and analysis of neuromodulatory mechanisms in a mathematical model of neuron R15 in Aplysia...

Ngày tải lên: 13/08/2014, 16:20

... multi-dimensional models A host of mathematical modelling techniques has been proposed to model biofilms, including stochastic individual based models, stochastic cellular automata models, and a ... simulate the growth of biofilms in microfluidic chambers Mathematical Model and Simulation Design Model assumptions We formulate a mathematical model that describes quorum sensing in a growing biofilm ... one-dimensional model of [26], the hybrid individual-continuum model of [11], the hydrogel model of [20], and the diffusion-reaction model [27] For our study we build on the prototype biofilm model of...

Ngày tải lên: 13/08/2014, 16:20

... Theoretical Biology and Medical Modelling 2011, 8:18 http://www.tbiomed.com/content/8/1/18 Figure Model for water and electrolyte transport through simple epithelia The model comprises four compartments ... Medical Modelling 2011, 8:18 http://www.tbiomed.com/content/8/1/18 modeling and the derivation of the initial differential equations, did some calculations and characterizations of the analytical model ... The function of 7D-cadherins: a mathematical model predicts physiological importance for water transport through simple epithelia Theoretical Biology and Medical Modelling 2011 8:18 Page 12 of...

Ngày tải lên: 13/08/2014, 16:20

... 23% 37% 40% -14% blood (model) 22% 33% 45% -13% urine (Gamble) urine (model) 10% 11% 11% 11% 79% 77% liver (model) -19% body-stor (model) -26% in Bangladesh Thus, the model results suggest that ... A mathematical model of the folate cycle: new insights into folate homeostasis J Biol Chem 2004, 279:55008-55016 doi:10.1186/1742-4682-8-31 Cite this article as: Lawley et al.: Mathematical model ... body model for mice [17] The model by Yu et al [18] was used to make predictions but was not compared to experimental data Kenyon et al [19], and Easterling et al [20], created detailed models...

Ngày tải lên: 13/08/2014, 16:20

... Theoretical Biology and Medical Modelling 2007, 4:11 produce inhibitory effects, albeit much less pronounced [6] Mathematical models of the reaction catalyzed by AdSS have been ... although a model has been proposed for each of a variety of effectors, there is still no single model that exploits the pool of available kinetic data in its entirety We report a more complete model, ... ASUC on IMP and ASP and the model output are presented in Figs 2, Using the model, KiASUC is 7.5·10-3 mM The influence of Mg2+ ions on enzyme activity is included in our model on the basis of the...

Ngày tải lên: 13/08/2014, 16:21

... develop a continuum mathematical model of the EC layer, incorporating maintenance and damaging factors mentioned above Unlike the discrete model of Op den Buijs et al [6] the model described in ... [6] presented a model of endothelium maintenance that incorporates the abovementioned factors The endothelial wall was modeled as a monolayer of ECs on a square sheet Computer simulations based ... vasculature – in contrast to the computational model of Op den Buijs et al [6] which focuses on a few hundreds of ECs Our model introduced some novel features The model explicitly accounts for the number...

Ngày tải lên: 13/08/2014, 16:21

... Computational and mathematical tools have been applied to many areas of biology resulting in descriptive models with predictive capabilities However, to our knowledge, there is no mathematical model to ... the model to develop innovative strategies to prevent or delay vascular access failure We conclude the work with comments on the mathematical model and future directions Methods and Results Model ... Biology and Medical Modelling 2008, 5:2 In the next section we introduce the mathematical model and illustrate how the model can potentially be used to predict vascular access failure based on the...

Ngày tải lên: 13/08/2014, 16:21

... 17 Additional file Supplementary Material – Model Details for A Mathematical Model of Glutathione Metabolism A full description of the mathematical model is given Click here for file [http://www.biomedcentral.com/content/supplementary/17424682-5-8-S1.pdf] ... extend our most recent model [20] to include cysteine and glutathione metabolism (Figure 1) Since this mathematical model is quite complicated, it is useful to be clear why our model needs to include ... Nijhout HF, Sparks R, Ulrich CM: A Mathematical model of the methionine cycle J Theor Biol 2004, 226:33-43 Nijhout HF, Reed MC, Budu P, Ulrich CM: A Mathematical Model of the Folate Cycle J Biol...

Ngày tải lên: 13/08/2014, 16:21

... the original model and the present model in response to continuous administration of nM GnRH In both models there is an initial large pulse of LH released However, in the original model (open ... Conn PM: A mathematical model quantifying GnRH-induced LH secretion from gonadotropes Am J Physiol Endocrinol Metab 2000, 278:E263-E272 Heinze K, Kenner RW, Midgley AR Jr: A Mathematical Model of ... mechanisms We also note that mathematical models for other aspects of the reproductive hormone system have been created: Keenan et al, [3], developed a stochastic systems model for the interactions...

Ngày tải lên: 13/08/2014, 22:22

... are needed for any mixture to determine pressure loss using different rheological models; in particular, the model of a viscous fluid with an effective viscosity coefficient It must be noted ... moderately concentrated mixtures, which are rather common, have not been fully investigated Mathematical modeling of group sedimentation of particles (in our case, rouleaux) in twophase interpenetrating ... physical properties of the phases Multiphase models are based on the idea of interpenetrating media, where the system of particles is replaced by a mathematical continuum and particle size is...

Ngày tải lên: 13/08/2014, 22:22

... Authors' contributions UP: mathematical modeling, statistical analysis, drafting of the manuscript; ADG: mathematical modeling, drafting of the manuscript; SP: mathematical modeling; Ferrannini E, ... diagnostic purposes could be to use the parameters of a mathematical model of the metabolic response during the clamp Hopefully, this model would be able to quantify both the maximal response ... oscillations unless for the model can accommodate random variations of metabolism Future efforts in modelling the clamp will have to consider this feature Conclusion From the modelling point of view,...

Ngày tải lên: 13/08/2014, 23:20

... and Medical Modelling 2006, 3:7 http://www.tbiomed.com/content/3/1/7 Figure Multiscale nature of the model Multiscale nature of the model Schematic view of the multiscale nature of the model, composed ... therefore developed a multiscale mathematical model of these processes to study the efficacy of radiotherapy Several mathematical frameworks have been developed to model avascular and vascular tumor ... genetic model We develop a Boolean model of these pathways in Figure Each gene is represented by a node in the network and Table 2: Genetic model Boolean (logical) functions used in the genetic model...

Ngày tải lên: 13/08/2014, 23:20

... T IO N N G U Y E N VAN DAO Inst it ute o f Mechanics N C S R Vietnam SU M M A R Y Nonlinear model simulation of coupling between heave - roll and pitch roll ship m o t i o n s ia considered b...

Ngày tải lên: 08/04/2015, 15:29