# GITAM University Systems Modeling and Simulation Syllabus

# GITAM University Systems Modeling and Simulation Syllabus

UNIT-I

? System Models:Concept of a system, System Environment, Stochastic activities, continuous and Discrete Systems, System Modeling, Physical and Mathematical Models for Systems, Static and Dynamic

Categorization of these physical and mathematical Models. Principles used in modeling.

System Simulation: MONTE–CARLO Method: Comparison of Simulation and analytical methods,

Experimental nature, Types of Simulation, Numerical Computation Technique for continuous model and for

Discrete model, Distributed Lag Models, Cobweb Models.

UNIT-II

? Continuous System Simulation:Differential Equations, Analog Computers, Analog Models,

hybrid Computers, digital – Analog Simulations, Continuous System Simulation Languages (CSSLS), CSMP

– III, Hybrid Simulation, Feedback Systems, Simulation of an _________, Interactive Systems, Real-Time

Simulation.

? System Dynamics: Exponential Growth Models, Exponential Decay Models, Logistic Curves,

Generalization of Growth Models, Simple System Dynamics Diagrams, Multi-segment Models,

Representation of Time Delays, WORLD Models.

UNIT-III

? Probability Concepts In Simulation: Stochastic Variables, Discrete Probability functions,

Continuous Probability functions, Measures of Probability functions, Numerical Evaluation of Continuous

Probability functions, continuous Uniformly Distributed Random Numbers, A Uniform Random Number

Generator, Generating Discrete Distributions.

? Arrival Patterns And Service Times: Poisson’s Arrival patterns, Exponential Distribution,

Erlang Distribution, Hyper-Exponential Distribution, Normal Distribution, Queuing Disciplines,

Mathematical Solutions of Queuing Problems.

UNIT-IV

? Introduction To GPSS: GPSS Programs, General Description Action Times, Succession of

Events, Choice of Paths, Simulation of a manufacturing Shop, Conditional Transfers, Control Statements,

Functions, Simulation of a Super Market, Transfer modes, GPSS Model of a Simple Telephone system.

UNIT-V

? Random Access Systems:

Aloha, Slotted Aloha, Carrier Sense Multiple Access, Delay Calculations in CSMA/CD, Performance

comparisons, Reservation Techniques.

Routing And Flow Allocation: Routing Model, Shortest Path Algorithms, Capacity Constrains, Flow

control and Routing, Routing in Practice.

Text Books:

System Simulation by GEOFFREY GORDON, PHI, Second Edition.

Modeling and Analysis of computer Communications Networks. Networks Jeremiah F. Hayes, Khanna Publications.

References : Geoffrey Gordon

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