Property:Software description

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2D Frame Analysis Dynamic Edition +	This application uses a highly flexible, general, finite element method for static and dynamic analysis of multi span beams, 2D trusses and 2D frames. It features a versatile and easy interface as well as reliable finite element calculation library.
2D3DSteel +	2D3DSteel 2.1 is an AutoCAD VLX application that draws accurate steel shapes in AutoCAD 2000 through 2007. Any of the shapes available in ShapeBook can be quickly added, in 2D or 3D, to your AutoCAD drawings.
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3D+ +	Automated 2D and 3D drafting for structural engineers based on AutoCAD. Enables to generate 2D drawings from 3D model. Parametric capabilities. Includes revision tool to track changes electronically.
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4Projects +	4Projects provides a comprehensive toolset for online collaboration, document control, information management.
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AASHTOWare +	Family of software products developed, maintained and enhanced by AASHTO (American Association of State Highway Transportation Officials) and their affiliates under the Cooperative Computer Software Development activity. These products then available for license to AASHTO member departments, educational institutions, and other private and public agencies. The software suite includes: (1) AASHTO Trns*port - management of pre-construction and construction contract information; (2) Pontis - comprehensive bridge management system; (3) Virtis - bridge load rating; (4) Opis - bridge design; (5) DARWin - pavement analysis and design system; (6) SDMS - survey data management system; (7) TSIMS - transportation safety management system.
ABAQUS +	General-purpose finite element analysis (FEA) program for linear, nonlinear, explicit and multi-body dynamics problems.
ABD-Automated Bridge Design +	Computer service for bridge designers using ABD bridge design software. The software can handle several standard types of superstructures, substructures, and foundation types. Submit your bridge design parameters and receive analysis and design report that can be directly used for detailing.
ABD-Loads +	Bridge loading software that calculates reactions, moment and shear envelopes for all standard AASHTO loadings and over 200 other predefined truck loadings.
ABD-Slab +	Bridge slab design software for beam/girder type bridges in accordance with the AASHTO LRFD code.
ACE +	Legacy software from 1977 to evaluate response of existing buildings to and earthquake motions. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley. ACE: Analysis of Critical Elements for the Seismic Evaluation of Existing Multistory Residential Buildings Pinkham, Clarkson W.; Hart, Gary C. S.B. Barnes & Associates, Los Angeles, California; J.H. Wiggins Company, Redondo Beach, California, 1977, The response of an existing building to earthquake motions reflects the performance level inherent in the codes, standards, and construction practices in existence at the time of the design and construction of the building. Deterioration and improper alteration during the service life of a building affect the actual margin of safety provided by the building. Thus there is a need to evaluate the potential seismic hazard of existing buildings. Following evaluation of the original structure, the effectiveness of appropriate strengthening or retrofit procedures may be determined. A methodology is presented in the user documentation for evaluating the need to upgrade existing buildings by identifying items requiring strengthening or repair, and then by verifying the adequacy of rehabilitation. This evaluation is given in terms of the behavior of the critical structural elements in a building. The determination of this behavior requires an analysis of the structural response of the building to prescribed forces. An analytical model of the building is defined with data collected from a field inspection of the building, original structural calculations and drawings, test records, and test of the existing building materials. The 1973 edition of the Uniform Building Code (UBC73) serves as the basis for calculations made with the analytical model. A building's description, plan dimensions, inertia and stiffness properties are input to the ACE program. UBC73 earthquake loads are calculated either by (1) the UBC73 building period formulas and basic shear distribution equation, or by (2) the building period and/or fundamental mode distribution of base shear obtained from the detailed analytical model. Member forces for user defined critical elements are calculated and used to find critcal stress ratios for these elements. Among the critical building elements the user can consider are steel, reinforced or unreinforced masonry, and reinforced or unreinforced concrete.
ADAP +	Legacy software from 1973 for linear static and dynamic analysis of arch dam-foundation systems. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley. ADAP: Static and Dynamic Analysis of Arch Dams Clough, Ray W.; Raphael, Jerome M.; Mojtahedi, Soheil Department of Civil Engineering, University of California, Berkeley, 1973, ADAP is a finite element program capable of performing linear static and dynamic analysis of arbitrary arch dam-foundation systems. Most of the logical features and many of the subroutines of the computer program SAP are utilized in this program. Special features primarily associated with preparation of input data are incorporated to make it more suitable for arch dam analysis. Three different element types are included in the program; these are considered to be the most suitable in this application. The program is organized in such as way that, if desired, new elements can be included easily. A finite element mesh is automatically generated from a minimum amount of input information. In each problem any one of the following types of analysis can be requested: (1) static analysis - the program is capable of handling an arbitrary combination of gravity, water pressure, and temperature loading conditions, and concentrated loads at any node; (2) evaluation of natural frequencies and mode shapes - if these are not available for input they are automatically evaluated as part of (3) or (4); (3) response history analysis - using a step-by-step integration scheme assuming the accelerations to vary linearly within each time step; and (4) response spectrum analysis - which results in estimated maximum values for displacements and stresses.
ADAP88 +	Legacy software from 1992 for modeling and dynamic analysis of concrete arch dams. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley. ADAP-88: Nonlinear Earthquake Analysis of Concrete Arch Dams Mojtahedi, Soheil; Fenves, Gregory L.; Reimer, Richard B. Department of Civil and Environmental Engineering, University of California, Berkeley, 1992, The modeling and dynamic analysis of concrete arch dams, the impounded water and foundation rock, is an important step in the earthquake safety evaluation of such systems. A linear earthquake analysis assuming an arch dam is an elastic monolithic structure usually shows large tensile stresses that exceed the tensile strength of concrete. Because arch dams are constructed as cantilever monoliths, the joints between the monoliths cannot develop the tensile stress predicted in a linear analysis. In reality, the contraction joints are expected to open and close during an earthquake, releasing arch stresses and redistributing the internal forces. ADAP-88 is a finite element analysis program for computing the earthquake response of arch dams including the nonlinear effect of contraction joint opening. The nonlinear joint elements are combined with shell, solid and fluid finite elements to model a complete arch dam system. Special consideration is given to resolving the stress distribution near the joints by using a refined mesh of solid elements. A numerical procedure for solving the equations of motion assumes that the nonlinearity in the model is restricted to the joints. The cantilever monoliths between contraction joints are modeled as linear substructures, resulting in a significant reduction of computation in the iterative solution of the nonlinear equations of motion. ADAP-88 includes a finite element mesh generator for typical arch dam geometries. The computer program RESVOR is used to compute the added mass for the water impounded in the reservoir, assuming the fluid is incompressible.
ADAPT-ABI +	Special-purpose program for the design and analysis of prestressed concrete bridges built either segmentally or conventionally. It provides information for geometry and stress control during construction, as well as design values for service load.
ADINA +	Finite element analysis system for the analysis of solids, structures, fluids and fluid flow with structural interactions.
AEC Budget 2009 +	AEC Budget 2009 is a cost estimation, budgeting and planning tool to quickly calculate cost of a project structured on bill of quantities in database environment.
AFHTech Reinforced Concrete Beam and Column Design +	Online and mobile device applications for the design of reinforced concrete columns and beams.
AISISplice +	AISIsplice is a tool for the analysis and design of bolted field splices for straight, right, I-shaped, steel girders that follows the procedures of the AASHTO LRFD Bridge Design Specifications. In the design mode, the software sizes and optimizes the splice plates and bolts. In the analysis mode, the software determines the adequacy of given splice plates and bolts. For both modes, performance ratios (load/resistance) for all splice components are determined. The software output consists of scaled graphics and a detailed report. Graphic illustrations include the elevation and cross section views of the splice and adjoined girders. Graphical output includes splice dimensions, bolt details, a summary of required filler plates, and splice component performance ratios. AISI Splice was developed by Dr. Firas Ibrahim and AISI's Transportation and Infrastructure Group.
ALLADIN +	Computational toolkit for the matrix and finite element analysis of engineering structures.
ANSR-1 +	Legacy software from 1975 for general static and dynamic analysis of nonlinear structures. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley. ANSR-1: Analysis of Nonlinear Structural Response Mondkar, Digambar P.; Powell, Graham H.; Riahi, Ali; Row, Dennis G.; Maison, Bruce F.; Popov, Egor P. Department of Civil Engineering, University of California, Berkeley, 1975, ANSR is a general purpose computer program for static and dynamic analysis of nonlinear structures. In it, a structure is idealized as an assemblage of discrete finite elements. Each node may possess up to six degrees of freedom. The structure mass is assumed to be lumped at the nodes. Viscous damping effects may be included, or damping proportional to mass, specified. Static loads are applied in a series of load increments, each load increment being specified as a linear combination of static force patterns. This feature permits nonproportional loads to be applied. Dynamic loading may consist of earthquake ground accelerations, time-dependent nodal loads, or prescribed initial values of nodal velocities and accelerations. The elements available are: [1] A three-dimensional truss element, which may yield in tension and yield or buckle elastically in compression. Large displacement effects may be included. [2] A two-dimensional 4-to-8 node finite element for plane stress, plane strain, and axisymmetric analysis. Large displacements may be included and the material may be specified to be isotropic linearly elastic, orthotropic linearly elastic, or isotropic elastic-perfectly plastic with the Von Mises yield function. Nonlinearities are introduced at the element level only and may be due to large displacements, large strains, and/or nonlinear materials. [3] INEL2, beam-column element which has two-dimensional stiffness and yield characteristics, may be located arbitrarily in a three-dimensional structure and is intended primarily for modeling beams. [4] INEL3, a beam-column element which has three-dimensional stiffness and yield characteristics, can be used for modeling columns in which biaxial bending effects may be important and also for structures such as elevator shafts. In INEL2 and INEL3, allowance has been made for rigid floor diaphragms by means of a "slaving" feature incorporated into the elements at the element level because ANSR-1 cannot account for slaving at the nodal level. Both elements also allow for rigid end zones and for initial element actions. [5] The inelastic brace element, INEL4, is a simplified model to describe the macrobehavior of a brace (i.e., the axial force-displacement hysteretic rule). The axial force-displacement algorithm simulates the observed behavior with nine piecewise linear zones. The orientations of the zones are defined by: member properties, control displacements, forces, and slopes. All of these properties are user selected input to the algorithm. The code is organized to permit the addition of new finite elements to the library with relative ease. The program permits the user considerable flexibility in selecting a variety of solution schemes, including step-by-step, iterative, and mixed schemes. For static analysis, a different solution scheme may be employed for each load increment. The dynamic response is computed by stepwise time integration using Newmark's beta-gamma-delta operator.
ANSRuop (software) +	The ANSRuop computer program is specialized structural analysis software, designed for scientific research as well as to aid practicing engineers. Its capabilities include static and dynamic, linear and non-linear analysis of structures. A wide spectrum of structures can be analysed through generalized modeling, the program is targeted towards the displacement- and deformation-based assessment of the non-linear seismic responce of reinforced concrete buildings and bridges. In this direction, the relevant rules and expressions of Eurocode 8 Part 3 as well as the Greek Code for interventions on existing structues are built into the program.
ANSYS (software) +	Suite of general-purpose finite element analysis programs.
APOLLO +	Legacy software from 1978 that incorporates a simplified procedure for one-dimensional analysis of generation and dissipation of pore water pressures in a sand deposit due to seismic excitation. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley. APOLLO: Analysis of Potential Liquefaction of Soil Layers for One-Dimensional Seepage Martin, Philippe P.; Seed, H. Bolton Department of Civil Engineering, University of California, Berkeley, 1978, This program incorporates a simplified procedure for one-dimensional analysis of generation and dissipation of pore water pressures in a sand deposit due to seismic excitation. The method of liquefaction analysis in APOLLO is outlined by the following steps: (1) By means of a dynamic response analysis of the soil deposit under investigation, time histories of shear stress developed by earthquake are determined at the various depths of interest; (2) For each depth in the soil profile, determine the equivalent uniform cyclic stress, the equivalent number of uniform stress cycles and the effective period of each stress cycle representing the induced stress history; (3) Determine from laboratory cyclic load test the relationships between the applied cyclic shear stresses and the number of stress cycles required to produce a condition of initial liquefaction under undrained conditions; (4) Determine the number of stress cycles required to cause initial liquefaction; (5) Determine rate of pore pressure build up for each elemental layer of the deposit; (6) From a knowledge of the coefficients of permeability and compressibility of the soil layers, determine the corresponding values of the coefficient of consolidation for the different layers; (7) Solve the governing differential equation for the known values of soil characteristics, pore pressure generation expressions and boundary conditions. Program APOLLO is used to solve this equation by an implicit finite difference method.
ASHSD2 +	Legacy software from 1969 evaluates the time dependent displacements and stresses of complex axisymmetric structures subjected to any arbitrary static or dynamic loading or base acceleration. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley. ASHSD2: Dynamic Stress Analysis of Axisymmetric Structures Under Arbitrary Loading Ghosh, Sukumar; Wilson, Edward L. Department of Civil Engineering, University of California, Berkeley, Revised by: C.-J. Lin, United Engineers and Constructors, Philadelphia, Pennsylvania, 1974., 1969, ASHSD2 evaluates the time dependent displacements and stresses of complex axisymmetric structures subjected to any arbitrary static or dynamic loading or base acceleration. The three-dimensional axisymmetric continuum is represented either as an axisymmetric thin shell, or as a solid of revolution, or as a combination of both. The axisymmetric shell is discretized as a series of frustrums of cones and the solid of revolution as triangular or quadrilateral toroids connected at their nodal point circles. The program can solve five cases of loading: dead load, arbitrary static load, arbitrary dynamic load, horizontal and vertical component of earthquake acceleration record applied at the base of the finite element model. A separate version of the program for static analysis only (ASHSAB.FOR) contains in-core as well as out-of-core equation solvers.
ASKxELP +	Semi-legacy software from 1999 to model the impact of seismic risk on a territory with electric power networks. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley. ASKxELP: Assessment of Seismic RisK for ELectric Power Networks Giannini, Renato; Pinto, Paolo E.; Vanzi, Ivo 1999, ASKxELP is a Fortran computer program which models two different but interacting aspects of the seismic risk on a territory: first, the seismic behavior of an Electric Power Network (EPN), from both the structural and electric viewpoints and, secondly, the expected number of casualties in the municipalities. Interaction is intended in the sense that, electric power being essential for emergency operations (hospitals, telecommunications, emergency management centers, etc.), complete or partial blackout at a point in the affected area increases the time of response for rescue and hospitalization the injured. EPN's are extremely vulnerable lifelines since they contain a large number of pieces of equipment not designed to withstand lateral forces. This equipment is concentrated in the stations, or nodes of the network. Line malfunctions originating from any station may spread to significant parts of the system and cause a larger scale blackout. As a local damage indicator, the number of casualties is used; this computed as the product of the population and the percentage of casualties in the population modeled as a random function of the local earthquake intensity. The program allows: 1. a look at only the network, or only at the casualties within the territory, or at their interaction 2. performing either scenario studies, conditioning the results to seismic events of given magnitude and location, or full reliability studies, considering different sources of randomness (earthquake magnitude and location, attenuation, etc.) 3. analysis of large scale system behavior with synthetic indexes, or behavior at a small scale, with analytical indexes giving detailed territorial information. Synthetic indexes are useful from the network manager's viewpoint whereas analytical indexes are useful from the local community's perspective. Results are output either to a text file or a file post-processed with an external graphic program (PLOTxELP)to show the statistical results in the territory.
ATENA (software) +	Program for simulation of real behavior of concrete and reinforced concrete structures.

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