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Engineers Toolbox - Engineering Calculation Toolbox
WINDOWS 2000/XP
EngineersToolbox (ETBX) is an advanced software product for
engineering design and analysis. ETBX features integrated computational modules
that provide rapid solutions to common engineering
systems and scenarios. The ETBX module library covers a range of engineering
specialties, including:
- Solid Mechanics
- Fluid Mechanics and Heat Transfer
- Dynamics and Controls
- Fatigue and Fracture Mechanics
- Numeric Methods
- Reference Data And Utilities
ETBX helps the engineer to interactively explore ideas during a design or
evaluation study. Its graphical interface encourages investigation and makes it
easy to quickly compare design alternatives that can lead to early insights and
competitive advantages. Engineering professionals worldwide use ETBX to speed
product development and analysis, reduce project costs, and produce effective
solutions.
Key Features
- Provides rapid solutions to common engineering systems and scenarios using an
integrated library of advanced computational modules.
- Captures years of experience and expertise from numerous respected engineering
sources.
- Features integrated engineering reference data that can be accessed at the
click of a button.
- Promotes interactive investigation of design alternatives using an intuitive
visual interface.
- Features specialized graphics capabilities for engineers, including
two-dimensional charting of numerical data and three-dimensional animations of
analytical models.
- Includes comprehensive documentation and reference information in an
HTML-based help system.
Graphics
ETBX includes the specialized graphics required in engineering. From
two-dimensional line plots of numerical data to three-dimensional animations of
analytical models, ETBX provides the visual capabilities that help engineers
understand complex systems. Like most aspects of the ETBX environment, ETBX
graphics can be extensively customized to produce high-quality output for
written and live presentations.
Modeling
The intuitive ETBX interface speeds the process of creating analytical models
and defining input parameters. It’s consistent, page-based format offers the
familiarity of an engineering handbook. ETBX modules contain convenient links to
integrated engineering reference data such as material properties and unit
conversion factors. Interactive three-dimensional graphics capabilities allow
you to visually inspect your models.
Analysis
Choose a solution type, define input variables, and quickly iterate to your
optimal design. ETBX checks your model and automatically formulates and solves
the applicable engineering equations. All ETBX algorithms have been thoroughly
checked for accuracy by our experienced staff of research engineers and have
been validated by thousands of ETBX users worldwide.
Solution Library
The ETBX module library captures years of experience and expertise from numerous
sources. Solution methodologies are documented in an integrated HTML-based
reference system and are based on respected engineering practices:
first-principles, empirical correlations, experimental data, rules-of-thumb, and
numerical evaluation of conservation equations.
The ETBX solution library consists of 34 modules and continues to grow. The
library is partitioned into 6 analysis packages:
Solid Mechanics Library
The ETBX Solid Mechanics library contains modules that focus on the calculation
of static stresses, strains, and deflections.
Uniform Beam Analysis
The Uniform Beam Analysis module provides closed form solutions for single-span
uniform beams with arbitrary boundary conditions subject to any combination of
transverse forces and moments. Calculations include static displacements,
rotations, shears, moments, and stresses; and natural frequencies and mode
shapes.
General Beam Analysis
The General Beam Analysis module performs a finite element analysis of a general
beam with multiple cross sections and spans, including static displacements,
rotations, shears, moments, and stresses; and natural frequencies and mode
shapes.
Pressure Vessels Module
The Pressure Vessels module calculates the wall stresses and deflections in
homogeneous, linear elastic, isotropic, cylinders and spheres subject to
internal and/or external pressure.
Column Buckling
The Column Buckling module performs a linear calculation of the critical axial
compressive load and stress for column buckling.
Hooke's Stress and Strain
The Hooke's Stress and Strain module applies Hooke's Law for homogeneous
isotropic materials to calculate stresses/strains for a three-dimensional state
of strain/stress within the linear elastic range. This module also calculates
principal stresses and strains, and strain energy.
Contact Stresses
The Contact Stress module calculates stresses caused by contact between two
isotropic elastic bodies such as a sphere on a plane, a sphere on a sphere, a
cylinder on a cylinder, a cylinder on a plane, and similar curved surfaces.
Helical Spring Design
The Helical Spring Design module calculates spring design parameters for
close-coiled round wire helical compression springs, including spring rate,
maximum force, maximum displacement, and maximum shear stress.
Interference Fit
The Interference Fit module calculates the contact pressure between two
isotropic elastic cylindrical parts subject to an interference fit (e.g., press
fit, shrink fit). The module also calculates the change in radii of the members,
the resulting tangential stresses, and maximum torque that can be transmitted by
the interference.
Fluid Mechanics And Heat Transfer Library
The ETBX Fluid Mechanics And Heat Transfer library contains modules concerned
with fluid and thermal flow.
Fluid Flow Rate and Pressure Drop
The Fluid Flow Rate and Pressure Drop module is used to compute the flow rate
and pressure drop due to fluid flow in a pipe. The pipe cross-section can be
circular, annular or rectangular. Laminar or turbulent flow of an incompressible
fluid (gas or liquid) can be computed.
Convection Heat Transfer Coefficient
The Convection Heat Transfer Coefficient module computes the heat transfer
coefficient due to fluid flow in a pipe. The pipe cross-section can be circular,
annular, or rectangular. Heat transfer due to laminar or turbulent flow of an
incompressible fluid (gas or liquid) can be computed.
Water Hammer
The Water Hammer module computes the magnitude of the pressure pulse generated
due to the closing of a valve in a flow line.
 Turned
Flow
The Turned Flow module computes the force generated due to turning of fluid in a
short duct.
Converging-Diverging Nozzle Flow
The Converging-Diverging Nozzle Flow module computes the maximum gas flow rate
and flow regime in a converging-diverging nozzle. This module can also be
applied to compute the maximum allowable mass flow rate of a gas through a given
cross-section.
Dynamics and Controls Library
The ETBX Dynamics And Controls library contains modules that focus on the
determination of dynamic system properties, control system properties, and
system response.
 Spring-Mass System
The Spring-Mass System module calculates the natural frequencies, mode shapes,
and steady-state harmonic response of a generic system of discrete springs,
dampers, and masses.
Arbitrary System Dynamic Response
The Arbitrary System Dynamic Response module implements a fourth-order
Runge-Kutta numerical integration algorithm to solve a set of first-order
differential equations expressed in a standard state-space convention.
Linear System Time Response
The Linear System Time Response module uses classical closed-form equations to
calculate the time response of linear dynamic systems to user-specified initial
conditions and forcing functions.
Bode Plot
The Bode Plot module creates a bode plot for dynamic systems with transfer
functions that contain polynomials in both the numerator and denominator.
Uniform Beam Frequencies
The Uniform Beam Frequencies module uses closed-form equations to calculate the
natural frequencies and mode shapes of a uniform beam with various boundary
conditions.
Dynamic System Animation
The Dynamic System Animation module creates an animation of an arbitrary dynamic
system.
Fatigue and Fracture Mechanics Library
The ETBX Fatigue And Fracture Mechanics library contains modules that focus on
the evaluation of stress concentrations, fatigue life, and crack formation and
propagation.
Singular Stress And Displacement Fields
The Singular Stress and Displacement Fields module calculates the stresses and
displacements at a point near a crack tip.
Miner's Rule
The Miner's Rule module calculates the fatigue life of a part under variable
amplitude loading using constant amplitude fatigue life data.
 Fatigue Crack Growth
The Fatigue Crack Growth module calculates the fatigue crack growth rate and the
cycles-to-failure assuming a Safe-Life design approach.
Plastic Zone
The Plastic Zone Size module solves for the radius of the region of plastic
strain near a crack tip.
Stress-Life Fatigue Analysis
The Strain-Life Fatigue Analysis module calculates the fatigue life of a part
under constant amplitude oscillatory loading assuming that the strain range
controls fatigue life.
Stress Concentration Factors
The Stress Concentration Factors module calculates stress concentration factors
for various shaft and plate geometries assuming homogenous, isotropic, and
elastic material.
Stress Intensity Factors
The Stress Intensity Factors module calculates the stress intensity factors for
through cracks in flat plates subject to Mode I (normal to the crack plane),
Mode II (in-plane shear loading), and Mode III (out-of-plane shear loading)
loading. The module also calculates residual stress, maximum permissible crack
length, and fracture toughness
Numeric Methods Library
The ETBX Numeric Methods library contains modules that focus on computations
involving numeric algorithms, matrix methods, root-finding and equation-solving.
Two-Dimensional Function Plotter
The Two-Dimensional Function Plotter module evaluates and plots user-defined
mathematical expressions of the form y = f(x).
Matrix Operations
The Matrix Operations module solves a number of common problems in computational
linear algebra, including: matrix arithmetic, matrix inversion, determinants,
eigenvalues and eigenvectors, dot products, cross products, and more.
Polynomial Roots Solver
The Polynomial Roots Solver module solves for the roots of a polynomial with
constant real coefficients. The roots can be real or complex numbers.
Reference and Utilities Library
The ETBX Reference And Utilities library contains modules that provide
engineering reference data such as material properties, geometric section
properties, and unit conversions.
Beam Section Properties
The Beam Section Properties module calculates geometric section properties for
general cross section types and also provides section properties for standard
steel and aluminum sections. The section properties results can be accessed by
other ETBX modules.
 Material Properties
The Material Properties module contains a reference database of material
properties that can be accessed by other ETBX modules.
Units Conversion
The Units Conversion module converts units of a selected physical quantity from
the selected input unit to the selected output unit.
Solid Properties
The Solid Properties module calculates the mass properties of common homogeneous
solids.
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