CSE/ASU 1ACIMS

Hessam S. Sarjoughian

Arizona Center for Integrative Modeling & SimulationComputer Science & Engineering Dept.

Fulton School of EngineeringArizona State University

Tempe, AZ, USA

Dec. 5, 2003

First M&SNet Meeting, Tucson, Arizona, USA

CSE/ASU 2ACIMS

Some Topics of Interest

Software engineering

Large-scale, multi-level, multi-aspect modeling

Masters program in M&S

CSE/ASU 3ACIMS

Standish Group, 2002 Report

Information Technology Projects in USA Expenditure: $255 billion Expense marked as wasted: $55 billion 13,522 projects

All projects Success rate: 34% Failure rate: 15%

Challenged rate: 51%» 51% have lower overrun (34% average)

46% < 20%

The negative findings 82% increase in time overrun (63% in 2000) 52% of required features were delivered (67% in 2000)

CSE/ASU 4ACIMS

Building Software-Based Systems

Team work

Process

Technologies

Principles and Methods

UML

object-orientation

incremental development

communication

Users & Developers

requirements elicitations

requirements specification

verification & validation

implementation and testing

design specification

CSE/ASU 5ACIMS

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

50%

Largest software development problems by category

Major problem Minor problem Never a problem

Re

qu

ire

me

nts

sp

ecific

atio

ns

Ma

na

gin

g c

usto

me

r

req

uir

em

en

ts

Do

cu

me

nta

tio

n

So

ftw

are

an

d te

stin

g

Pro

ject m

an

ge

me

nt

Co

din

g

Source: European Software Process Improvement Training Initiative, 1995

CSE/ASU 6ACIMS

Models

Simulator

SourceSystem

Experimental Frame

simulationrelation

modelingrelation

Modeling & Simulation

Models & Simulators

MODEL

Analyzer• static/dynamic• textual/graphical

VIEWMediator

• interaction with simulation models

CONTROL

Software Engineering

Building M&S to Software Engineering

CSE/ASU 7ACIMS

Distributed/Parallel M&S

Real WorldReal WorldSimulatorSimulator

SimulatorSimulator

Distributed Simulation

ModelModelExperimental Frame specifies conditions under which the system is experimented with and observed

Experimental Frame

Modelsof subsurface

physics

Subsurfacephysics

Subsurfacephysics

Modelsof subsurface

physics

Validation and Verification

combined simulated & basin system

CSE/ASU 8ACIMS

ACIMS Education and Tech Transfer Role

Online Masters of Engineering program in Modeling and Simulation

domain experts access to professionals in national labs, … Established relations with national organization

Knowledge Transfer Industry