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Roark’s Formulas for Excel™
Long considered the most popular engineering handbook, Roark’s Formulas for Stress
and Strain has been helping engineers solve design problems for more than 60 years.
Universal Technical Systems, Inc. (UTS) takes it one step further with Roark’s Formulas for
Excel, a fully interactive version of the landmark reference combined with powerful
problem solving technology that dramatically reduces design hours, production costs,
and speeds time to market. Imagine not just words and formulas on a page, but
completely automated stress analysis of a comprehensive range of structural
components—right on your desktop! Since its first publication, Roark is in constant use
by mechanical, aerospace, civil, and many other types of practicing engineers.
THEUltimateREFERENCE
“This product isAWESOME!Both the idea of implementingRoark in Excel as well as how
UTS has done it are brilliant. No engineershould be without it.”
Dr. Tom Mincer—Well–known pioneer and educator
in the application of Excel/VBAin the field of Engineering
Roark’s Formulas for Excel™
Roark’s Formulas for Stress and Strain has been thoroughly
user–tested and in continuous use since 1938. Roark's
Formulas for Excel takes every table and case from the
7th edition and makes it interactive, includes calculations for all
cases and tables with accompanying diagrams to help
streamline the design process and reduce design iterations, as
well as the need for complicated finite element analysis.
In addition, International System of Units (SI) and United States
Customary Units (USCU) conversion is automatic with Roark’s
Formulas for Excel, making work sharing among engineers
easier than ever.The user–friendly menu system lets you select
a problem by chapter, table, and case—exactly as it is in the
book. However, here is where the similarities end.
Pre–formatted plots of deflection, stress, and bending
moments let you refine the design like never before. What’s
more, a powerful math engine, with the unique ability to solve
for a variety of combinations of input and output variables
(known as backsolving), allows you to easily test “what–if”
scenarios and optimize designs without hours of tedious
calculations or programming. Just point, click, and solve.
Proven and powerful
Pre–formatted plots of deflection,stress, and bending moments let you
refine the design like never before.
The user–friendly menu system lets you select a problem by chapter, table, and case—exactly as it is in the book. Accompanying diagrams help streamline the design process and reduce design iterations.
Bottom Line: Roark’s Formulas for Excel gives you the ability to tackle designchallenges that would otherwise be too complicated or costly to attempt.
www.techstreet.com
Case 1: Deflection.0005
-.0005
-.001-.0015
-.002
-.0025-.003
-.0035
0
Radial Location [in]
0 .5 1 1.5 2 2.5 3
Def
lect
ion
in
Case 1: Slope Angle
.002
.0015
.001
.0005
0
Radial Location [in]
0 .5 1 1.5 2 2.5 3
Slo
pe A
ngle
rad
MomentConcentrated Intermediate Load0
-10000
-20000
-30000
-40000
Distance from Left End [in]
0 10 20 30 40 50 60 70 80
Mom
ent l
bf-in
r
w
o
Outer edge fixed, inner edge guided
Roark’s Formulas for Excel™
“UTS looks like they have anotherwinner on their hands. First theymerged one of the most popularengineering references with TK Solver’s backsolving capabilityto create Interactive Roark’sFormulas for TK Solver. It is anapplication that simplifies anengineer’s life immensely. I can’t
count the hours it has saved me from re–creatingspreadsheets from a textbook. Now, UTS has done itagain. They’ve taken the same powerful application andwrapped it in arguably the most widely used engineer'stool… amazing. UTS continues to be the best kept secretin the engineering software world.”
Wayne Pilgrim—Weatherford Incorporated
Roark’s Formulas for Excel at a Glance
Roark’s Formulas for Excel includes a Superposition Data Entry
Wizard, handling multiple load calculations on beams and
plates with ease, creating plots of stress, deflection, and shear
for the combined loads,every step of the way.What used to take
hours now takes a matter of minutes!
• Interactive Calculations—for all cases and tables
• Dynamic Plot Annotations—for data analysis and
visualization
• Full Materials Database—for streamlined data entry
• Automatic Unit Conversion—for model sharing flexibility
• Report Wizard—for on–demand custom reporting
• Superposition Wizard—solves multiple loads on beams
and plates
Annular plates
Supported, FixedSupported Condition:
Beam Type:
Load:
Outer Radious:
Inner Radious:
PlateThickness:
Uniform annular line load:
Radious to annular line load:
2
1
40
50
80
in
in
Reset All Close Show Combined Report...Solve for Load ConditionLoad Number:
r y th Mr Mt Q sigma_r
-1022.36614-1019.8166-1017.27975
2358.557262349.492332340.17318
9825.429269704.815729584.77939
-0.00061-0.00056-0.00052
-0.00865-0.00871-0.00876
4040.140.2
14738.114557.214377.1
in
lbf/in
in5
Results for current load conditionResults for current load condition
Table 11.2, Case 1 [1d Supported, Fixed]Table 11.2, Case 1 [1d Supported, Fixed]
Uniform annular line loadUniform annular line load
Steel - A.S.T.M. A7-61TSteel - A.S.T.M. A7-61T
nu:nu: 0.270.27 2900000029000000E:E:
Outer edge simply supported, inner edge fixed
psi
Full Customizable Materials Database
Superposition Wizard
Report Wizard and Sample Report
Image_1_1044 =EMBED("Forms.
Arial 10
Type a question for help
Sheet2Sheet1
Ready NUM
Sheet3
123456789101112
3132
131415161718192021222324252627282930
A B C J
Chapter Eleven: Flat Plates TABLES 11.12. Annular plate with a uniformly distributedCase: 2d Supported, Fixed
Roark's Formulas for Excel
Input Value Unit
Output Value Unit
matnumr0
r
q
abt
in
in
inin
in
200 psi1
1
17
30.5
0.25
matlE
nu
caution 1
"Steel - A. S. T. M. A7-61T "
29000000 psi0.27
'_'_caution 2
Material name
Young's ModulusPoisson's ratio
Thickness Check
Annular plates
Supported, FixedSupported Condition:
Beam Type:
Load:
Outer Radious:
Inner Radious:
PlateThickness:
Uniform annular line load:
Radious to annular line load:
2
1
40
50
80
in
in
Reset All Close Show Combined Report...Solve for Load ConditionLoad Number:
r y th Mr Mt Q sigma_r
-1022.36614-1019.8166-1017.27975
2358.557262349.492332340.17318
9825.429269704.815729584.77939
-0.00061-0.00056-0.00052
-0.00865-0.00871-0.00876
4040.140.2
14738.114557.214377.1
in
lbf/in
in5
Results for current load conditionResults for current load condition
Table 11.2, Case 1 [1d Supported, Fixed]Table 11.2, Case 1 [1d Supported, Fixed]
Uniform annular line loadUniform annular line load
Steel - A.S.T.M. A7-61TSteel - A.S.T.M. A7-61T
nu:nu: 0.270.27 2900000029000000E:E:
Outer edge simply supported, inner edge fixedOuter edge simply supported, inner edge fixed
psi
C:\Program Files\UTS\Roark's Formulas for Excel\TK
Roark's Formulas for Excel
Roark's Formulas for Excel
Company Logo
Report Header
Report Footer
Back Color
Inputs
Plots
Name Comment
Page break between inputs and outputs OK Cancel
section1 Section6 - Wide Flanged Beam
Outputs Font Arial
Fore Color
Roark's Formulas for Excel - Report Wizard
METALS
matlmatnum G E nu gamma
MaterialsMaterials
Aluminum - cast, pure
Young'sModulus
PoissonRatio
ThermalCoeff.
ShearModulus
3700000
35500004000000
3750000
7000000
5500000
6500000
6700000
6700000
6700000
6700000
.000013
.0000136
.0000128
.000013
.0000093
.0000118
.0000099
.000006
.000006
.000006
.000006
.36
.33
.33
.3
.355
.357
.35
.25
.25
.25
.25
9000000
950000010600000
1E7
19000000
15000000
15000000
14000000
15200000
18300000
19000000
Aluminum - cast, 220 T4
Aluminum - wrought, 2014 T6
Aluminum - wrought, 6061 T6
Beryllium copperBrass - naval
Bronz - Phosphor, A.S.T.M...
Cast iron, gray, no. 20
Cast iron, gray, no. 30
Cast iron, gray, no. 40Cast iron, gray, no. 60
1
2
3
4
56
7
8
9
1011
4
32
5
6
7
89
10
11
12
1314
Return to Spreadsheet Update Materials Table
Roark's Formulas for Excel - Tables
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Roark’s Formulas for Excel™
ALL TRADEMARKS ARE REGISTERED TO THEIR RESPECTIVE COMPANIES. UTSR12–2005revTechStr01–2006
Roark’s Formulas for Excel is available for Microsoft Excel 2000 and higher running on Microsoft® Windows 2000 and XP platforms.
Roark’s Formulas For Excel is developed by Universal Technical Systems, Inc.Universal Technical Systems, Inc., established in 1984, is the leading provider of high–productivity problem–solving software products and custom developedsolutions. With headquarters in Rockford, Illinois and subsidiaries in the UK and India, UTS serves customers worldwide. For over twenty years UTS has focusedexclusively on providing solutions that help companies in the scientific, engineering, operations research and management, and financial communities simplifycomplex calculations and streamline the processes that drive their businesses. UTS products and custom solutions are available for desktop and web use.
“As a TK Solver/Roark userof nearly two decades, I amvery impressed to see thatRoark’s Formulas is nowpresented as a robust ‘plugand play’ module withinExcel. Just select themodel(s) you want, selectthe parameters of interest,solve, and then click toproduce a well presentedreport that clearly andaccurately presents the data in a coherent andunderstandable form for your peers. If a picture paintsa thousand words, then Roark’s Formulas for Excelsolves a million Engineering problems. I look forwardto using it alongside my regular finite element stressanalysis software and actual mechanical testing as aconfidence booster to give accurate engineeringjudgement and results.”
Mike Hagland, Senior Materials Analyst—Gyrus Medical Limited
“A Designer’s Dream”The first software edition of Roark’s
Formulas, designed for TK Solver, was
released by UTS in 1989, and was quickly
received by consumers as a “design
engineer’s dream,” as described by
Professor Warren Young, the co–author of
Roark’s Formulas for Stress and Strain. Now
UTS is taking the next step by making their
popular software available to Excel users.
Techstreet, 777 East Eisenhower Parkway, Ann Arbor, MI 48108, USA • www.techstreet.comToll Free: 800–699–9277 • Telephone: 734–913–3930 • Fax: 734–913–3946
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