Advantages and Disadvantages of Simulation:
Simulation is the procedure of developing a model of a real system and after that for understanding the behavior of the system and its strategies, conducting the experiments with it.In a wide range of programs we can see many contexts of it like: education, safety engineering, simulation of technology for performance optimization, testing, video games, training, computer experiments, scientific modelling of natural systems human systems, etc.
Types of Simulation:
The most common question arises in our mind are described hereunder for different simulation.Static vs. Dynamic: Does time have a role in the model?
Continuous-change vs. Discrete-change: “state” alteration unceasingly or only at discrete points in time?
Deterministic vs. Stochastic: Is everything for sure or is there ambiguity?
Applications of Simulation:
Computer Systems:
- Software systems
- Networks
- Information processing
- Hardware components
- Data base management,etc.
Manufacturing:
- Automated production facilities
- Assembly lines
- Inventory control systems
- Material handling systems
- Plant layout, etc.
Business:
- Cash flow analysis
- Forecasting
- Marketing strategies
- Pricing policies
- Stock and commodity analysis, etc.
Government:
- Criminal justice
- Fire protection
- Health care delivery
- Land use
- Military tactics
- Military weapons and their use
- Population forecasting
- Traffic control, etc.
Most operational Simulation models:
- Bank or other personal-service operation
- Business process (insurance office)
- Computer network
- Criminal justice system
- Emergency-response system
- Chemical plant
- Fast-food restaurant
- Freeway system
- Hospital facilities (emergency room, operating room, admissions)
- Manufacturing facility
- Supermarket
- Theme park
- Transportation/logistics/distribution operation
Advantages of Simulation:
- Building consensus
- Cause-effect relations
- Cost-effective investment
- Decision aid
- Diagnosing of problems
- Exploration of possibilities
- Identification of constraints
- Preparing for change
- Specification of requirements
- Time stretching/contraction capability
- Training aid capability
- Visualization of plans
Disadvantages of Simulation:
- Expensive to conduct simulation
- Expensive to build a simulation model
- Inappropriately used
- Interpretation of results requires
- Sometimes hard to interpret the simulation results
- Time consuming/expensive
- Training required
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