CAD-Earth is designed to easily import/export images, objects and terrain meshes between Google Earth and major CAD programs and create dynamic contour lines and profiles.

• Import Google Earth image to CAD.
• Export CAD screenshot to Google Earth.
• Insert georeferenced images.
• Import Google Earth objects to CAD.
• Export CAD objects to Google Earth.
• Import Google Earth terrain.
• More than 3000 supported coordinate systems worldwide.
• Cross section from mesh.
• Profile from mesh.

CAD-Earth for other AutoCAD versions can be downloaded from here.

Advanced Features:

• An unmatched number of unit processes to build comprehensive process layouts.
• State-of-the-art models to simulate different volatilization, adsorption and biodegradation mechanisms.
• New pH dependent volatilization models to evaluate the effects of pH on air emissions.
• Customizable mass transfer properties to more accurately evaluate variations in process design.
• Different biokinetic rate values for aerobic, anaerobic & anoxic zones within Biological Nutrient Removal Plants (BNR). 
• Auto-calculation of the reduction in active biomass availability for biodegradation of organic compounds as solids retention time increases.
• A highly useful "backsolve" utility that enables users to easily reverse engineer an allowable headworks concentration given a downstream concentration limit.
• Sensitivity Analysis tool for studying the relationship between input parameters and model results.

More info.

Modeling, analysis and design of bridge structures have been integrated into CSI Bridge to create the ultimate in computerized engineering tools. The ease with which all of these tasks can be accomplished makes CSI Bridge the most versatile and productive software program available on the market today. 

Using CSI Bridge, engineers can easily define complex bridge geometries, boundary conditions and load cases. The bridge models are defined parametrically, using terms that are familiar to bridge engineers such as layout lines, spans, bearings, abutments, bents, hinges and post-tensioning. The software creates spine, shell or solid object models that update automatically as the bridge definition parameters are changed.

CSI Bridge design allows for quick and easy design and retrofitting of steel and concrete bridges. The parametric modeler allows the user to build simple or complex bridge models and to make changes efficiently while maintaining total control over the design process. Lanes and vehicles can be defined quickly and include width effects. Simple and practical Gantt charts are available to simulate modeling of construction sequences and scheduling.

CSI Bridge includes an easy to follow wizard that outlines the steps necessary to create a bridge model.

Completely integrated within the CSI Bridge design package is the power of the SAPFire analysis engine, including staged construction, creep and shrinkage analysis, cable tensioning to target forces, camber and shape finding, geometric nonlinearity (P-delta and large displacements), material nonlinearity (superstructure, bearings, substructure and soil supports), buckling and static and dynamic analysis. All of these apply to a single comprehensive model. In addition, AASHTO LRFD design is included with automated load combinations, superstructure design and the latest seismic design.

Новое в 16 версии тут.

CSI SAP2000 - cистема трехмерного статического и динамического анализа методом конечного элемента и проектирование сооружений. CSI SAP2000 следует в той же самой традиции, показывающей очень сложный, интуитивный и универсальный пользовательский интерфейс, приведенный в действие непревзойденным механизмом анализа и средствами проектирования для инженеров, работающих над транспортировкой, индустриальными, общественными работами, спортивными состязаниями, и другими средствами. От основанной графической среды моделирования трехмерного объекта, к большому разнообразию опций анализа и проектирования, полностью интегрированных через один пользовательский интерфейс, CSI SAP2000, оказался наиболее интегрированной, производительной и практической универсальной структурной программой на рынке сегодня.

for Autodesk AutoCAD 2013-2014

QuickSurf is a fast, powerful general purpose surface modeling system running inside of AutoCAD 2000 - 2014. Thousands of people use QuickSurf daily for generation and annotation of contour maps, profiles, sections and volumetric computation. QuickSurf converts surface mapping data such as point or break line data into contours, grids, triangulated irregular networks, and triangulated grids. A suite of sophisticated tools allows you to manipulate modeled surfaces into high quality finished maps and perform a variety of engineering computations. QuickSurf meets the needs of a broad range of professional disciplines such as civil, environmental, petroleum and mining engineering, geologic mapping and exploration, surveying, photogrammetry and topographic mapping, landscape architecture, oceanography and surface visualization.