Numerical Method Question Bank
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Transcript of Numerical Method Question Bank
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JSPM’S
Imperial College of Engineering and Research ,Wagholi,Pune
Department Of Mechanical EngineeringClass!"E#Mechanical$
Su%!&umerical Method and Optimi'ation
(uestion )an*
UNIT 1: Study of root of Equitation
+ -ind the positi.e root of /0!/1+2 %3 &e4ton Raphson correct to three decimal
places
56se Iteration method to o%tain the root of e7uation /5!8/9:12 4ith accurac3 of
22+
; -ind the root of sin/1/!5 near <15= %3 Regular falsi method’s is in radian do
0 iteration>
0 E<plain t3pes of Errors>
= E<plain Con.ergence and di.ergence in Case of &e4ton!raphson method
: Dra4 a -lo4 Chart for Modified &e4ton raphson method to determine the root
of e7uitation correct up to three decimal places
UNIT 2.Study of Simultaneous Equations
+ Dra4 the flo4 chart for gauss Elimination method>
5 Sol.e the follo4ing %3 using ?auss Elimination 4ith Partial pi.oting
/595/;1=
/+95/590/;1++
!;/+9/5!=/;1 !+5
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; Sol.e the follo4ing %3 gauss seidal method up to = iteration
5/9;@9+2@15A+
=/9@!B10A
/98@95B1+=A
0 Sol.e the follo4ing %3 using "homas lgorithm
/95@1;
5/9;@9B10
5@!B1+
= Dra4 "he -lo4 Chart for "homas lgorithm
: Dra4 the -lo4 Chart for ?auss Seidal Metho
UNIT 3 – Optimazation
1. Ma<imi'e B 1 ;<+ <5
Su%ected to <+ 5<5 F 5
5<+ <5 F 0
/+ 9 <5 F =
/+, <5 G 2 6sing Simple< method5 E<plain %riefl3 a%out ad.ance optimi'ation techni7ues #a$ ?enetic
algorithm #%$ Simulated annealing algorithm
; HPP is to ma<imi'e profit function
B 1 =2<+ 9 +8<5
Su%ect to the constraints
5<+ 9 <5 F +22
/+ 9 <5 F 82
/+, <5 G 2
0 Minimi'e C 1 5< 9 =3 su%ect to
< 9 53 G0
;< 9 53 G;
< G 2, 3 G 2
= #a$ What are the re7uirement of liner programming pro%lem
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#%$ Construct a liner programming model 4ith suita%le e<ample
UNIT 4 –Study of Cure !ittin"
+ #a$Dra4 a flo4chart for logarithmic cur.e fitting
#%$ In some determinations of the .alue . of car%on dio<ide dissol.ed in a
gi.en .olume of 4ater at different temperatures ,the follo4ing pairs of
.alues 4ere o%tained
2 = +2 +=
+82 +0= ++8 +22
O%tain %3 the method of least s7uare, a relation of the form v1a9b 4hich %est fits
to these o%ser.ations
5 "he pressure and .olume of a gas are related %3 the e7uation PV < 1 *,
< and * %eing constants -it this e7uations for the follo4ing set of o%ser.ations
P#KgLcm5$ 2= + += 5 5= ;
#liters$ +:5 + 2A= 2:5 2=5 20:
#%$Wh3 least s7uare error regression method is preferred o.er other methods of
linear regression >lso e<plain 4h3 s7uaring of error is carried out, if s7uaring of
error is not done 4hat 4ill %e effect on cur.e fitting e7uation
; #a$ Dra4 flo4chart for Hagrange Interpolation method
#%$-ind pol3nomial passing through points #2,+$#+,+$#5,A$#;,5=$#0,:+$#=,+5+$
using &e4tons Interpolation formula and hence find 3 and d3Ld< at <12=
0 "he .alues of <,3 N 3 are gi.en %elo4 6se ermit Interpolation to find .alues
of 3 at <125=
/ @ 3i
2 2 2+ + +
= #a$ -rom the ta%le %elo4 for 4hat .alue of <,3 is minimum>lso find the .alue
of 3
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/ ; 0 = : A 8
@ 252= 25022 25=2 25:52 25=22 25502
#%$Dra4 -lo4chart for Hagranges Interpolation
UNIT#$ Numrri%al Inter"ration
+-ind a real root of 5<Qlog+2<1Acorrect to four decimal places using iteration
method
5Dra4 a flo4chart for Simpsons ;L8 rule of integration
; Dra4 flo4chart for gauss!legendre 5!point formula and ;! point formula
0-ind pol3nomial passing through points #2,+$#+,+$#5,A$#;,5=$#0,:+$#=,+5+$ using
&e4tons Interpolation formula and hence find 3 and d3Ld< at <12=
=find the integral of d< %3 trape'oidal rule
UNIT#& Numeri%al Solution Of 'ifferential Equitation
+ "he second order ODE is transformed into pair of first!order ODEs as in d3Ldt1'3#2$15 d'Ldt12=<Q3 '#2$12 Estimate the .alue of ' and 3 at <125 4ith step
si'e of 2+
5 6sing Runge ! Kutta method of fourth order, sol.e d3Ld<135Q<5L35 9 <5 4ith 3#2$
1 +
at < 1 25, 20
; E<plain predictor and corrector method to sol.e ordinar3 differential e7uation
and also dra4 corresponding flo4 chart
0 What is meant %3 order of Runge!Kutta method> nd compare RK methods 5nd
order ,;rd
order and 0th order graphicall3
=Dra4 a flo4chart for RK Second order method
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