Week 2 Challenge : Surface meshing on a Pressure valve

Aim : To perform conjucate heat transfer analysis on exhaust port.   Objectives  To give a brief description of why and where a CHT analysis is used. To maintain the y+ value according to the turbulence model and justify the results. To calculate the wall/surface heat transfer coefficient on the internal solid…

Objective : To simulate an incompressible-laminar-viscous flow through the backward facing step geometry and the flow should be transient. To measure the velocity profile at 0.085 m from the inlet of the geometry for both case studies which is for grading factor = 1 and grading factor = 0.2, the cells should be finer…

Objective : To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle by deriving both conservative and non conservative forms of governing equation and solve them by using Macormack Method in matlab. Problem statement : Need to determine the steady-state temperature distribution for the flow-field…

Aim : To write a matlab program to solve the steady and unsteady 2D heat conduction equation.   Objective : To solve steady and unsteady state 2D heat conduction equation by explicit an implicit method.  While solving equations by implicit method iterations techniques such as Jacobi,Gauss-seidel & Successive…

Aim : To perform a steady-state conjugate heat transfer analysis on a model of a graphics card in ansys fluent.   Objective : To run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. To find out the maximum temperature and heat transfer coefficient…

Aim : To perform a surface wrap for the given automotive parts. Objective : To check for the geometrical errors and delete surfaces that are unwanted for the surface wrap. To merge all 3 models and perform surface wrap after clearing geometry. The target length for wrap should be set to 3 mm.  Procedure : Step 1 : Firstly…

Aim : To clean up and mesh a computational domain for an external flow analysis of a Tesla Cyber Truck. Methodology : A. Geometry cleanup : Firstly delete half of the tesla model and perform topo cleanup to that half as they are symmetric. Secondly perform geometry check for single cons, double cons, overlapped surfaces…

Aim : To clean up and mesh a computational domain for an external flow analysis of a BMW Car. Methodology : A. Geometry cleanup : Firstly delete half of the BMW car model and perform topo cleanup to that half as they are symmetric. Secondly perform geometry check for single cons, double cons, overlapped surfaces and bad…

Objective :  Check for the geometrical errors to make appropriate volumes. Create and assign PIDs as shown. Perform surface mesh with the given target lengths as per PIDs. Blade stage-1 = 1 mm Blade stage-2 = 1 mm Impeller = 2 mm Shaft rotor = 1 mm Turbo casing = 5 mm Compressor casing = 5 mm Inlet casing cover =…

Aim :  To perform topology cleanup and surface meshing of the pressure Valve using ANSA. Objective : Mesh the given component which is pressure valve for the given conditions Target length = 1mm, 3 mm and 5 mm (i.e. 3 cases) Element type = Triangular Mesh Methodology : Step1. Import a geometry in ANSA and perform…

Aim : To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.  Objective :To write a few words about any four empirical models used to calculate the cyclone separator efficiency. To perform an analysis on a given cyclone separator model by varying the particle…

Aim : To perform a combustion simulation on the combustor model using Ansys Fluent.   Objective : To perform a combustion simulation on the combustor model. To plot the variation of the mass fraction of the different species’ in the simulation using line probes at different locations of the combustor for…

Aim : To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.    Objective : To perform a simulation for the different gate valve opening which is 10% to 80%. To obtain the mass flow rates at the outlet for each design point. To calculate the flow coefficient and flow…

Aim : To Perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with the base mesh being 0.5 mm.  Objectives : 1. The objective is to simulate a two-dimensional Rayleigh-Taylor instability problem using the classical method of Finite Element analysis of a multiphase model using ANSYS FLUENT.…

Aim : To run external flow simulations over an Ahmed body with the given conditions.   Objective :  To describe the Ahmed's body and its importance. To explain the reason for the negative pressure in the wake region.  To explain the significance of the point of separation.  To plot velocity and pressure…

Aim : To simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.     Objective : To simulate the flow over a cylinder for different cases and explain the phenomenon of Karman vortex street.  To discuss the effect of Reynolds number on the coefficient of drag. [ Results…

Aim : To simulate a fluid through a mixing tee to calculate the mixing effectiveness of the fluid at two different temperatures at the outlet of the mixing tee.   Objective : To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C. …

Objective : To simulate an axi-symmetric flow by applying the wedge and symmetry boundary condition for the wedge angles of 10, 25 and 45 degree respectively. The flow is laminar and flows through a constant cross-section pipe at an inlet Reynold's number of 2100. The flow can be transient or steady state simulation and…

Objective : To simulate an axi-symmetric flow by applying the wedge boundary condition. The flow is laminar and flows through a constant cross-section pipe at an inlet Reynold's number of 2100. The flow can be transient or steady state simulation and to validate your results with the Hagen- Poiseuille's equations for the…

Objective :  To define about finite Volume Method(FVM), and to differentiate FDM & FVM and also to describe the need for interpolation schemes and flux limiters in FVM.   Finite difference method(FDM) : Finite Difference Method (FDM) is one of the methods used to solve differential equations that…

Aim :      To derive the following 4th order approximations of the second-order derivative for central difference, skewed right-sided difference and skewed left-sided difference scheme.   Objective : To derive the following 4th order approximations of the second-order derivative for central difference,…

Aim : To create a Rankine cycle simulator using matlab and to plot a T-S and H-S diagram.   Objective : To create a rankine cyle simulator. To calculate state values of a rankine cycle based on user inputs. To plot the corresponding T-s and h-s plots for the given set of inputs. To calculate net work output and Back…

Aim :  To Write a program in MATLAB that parse Nasa thermodynamic data files and calculates the thermodynamic properties of various gas species.     Objective : To Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heat for all the species in the data…

Aim : To write a matalab program to perform curve fitting operation and to find the best fit for the given data set.   Objective : To plot linear fit and cubic polynomial fit for the given temperature and cp data along with the raw data points. To explain about the parameters used to measure the fitness…

Aim : To write a code in MATLAB to optimise the stalagmite function and to find the global maxima of that function.   Objective : To study about genetic algorithm. To study about the usage of genetic algorithm in MATLAB. To optimise the stalagmite function and to find the global maxima of that…

AIM : To write a MATLAB program that will simulate the motion of the simple pendulum.   THEORY : A heavy point mass (known as bob) suspended from a rigid support by a massless and inextensible string is called simple pendulum. The vertical line passing through the fixed support is the mean position of a simple pendulum.…

AIM : To write a MATLAB code for a study of an otto cycle and to find an thermal efficiency of an engine.   GOVERNING EQUATIONS :  `V_s =(pid^2l)/4` `V_c=(V_s)/(cr-1)` `PV^gamma` = Constant `gamma = (C_p)/(C_v)` `(PV)/(T)` = Constant R = `(cl)/(a)` `a = (Stroke)/(2)` `V/V_c` = `1+(1)/(2)(cr-1)[R+1-costheta+sqrt(R^2-sin^2theta)]`…