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AxiDriver is a BEM simulator. The program calculates the sound pressure in front and to the rear of a loudspeaker-driver with a cone, dome, or piston-type rigid diaphragm radiating from an infinite baffle. The baffle can be extended into waveguides of arbitrary shape, as long as it is axis-symmetric. It is also possible to place reflectors in front of the diaphragm. AxiDriver provides valuable information about the radiation pattern in the near- and far-field. It's great for learning, for understanding what is going on, and helps design speakers. The program is easy to use and intuitive. The axis-symmetric assumption allows for partial analytical solution in 3D which is quickening the calculation. Even if the actual problem is asymmetric then approximate AxiDriver-models can give insights and clues about the radiation pattern. AxiDriver displays the near-field at a single frequency as contours, which are overlayed by a sketch of the driver and its diaphragm. Further, the application allows for broad-band analysis into plots of the spectra of the sound pressure and radiation impedance with the help of Vacs as a graphing server. The acoustics is fully coupled to the mechanical rigid body mode of the driver. The layout of AxiDriver is such, that after solving, the motor parameters can be modified and the result is displayed immediately. For example, you can spin up and down the Bl-factor and see the effect on the response almost in real-time.

AxiDriver is a BEM simulator. The program calculates the sound pressure in front and to the rear of a loudspeaker-driver with a cone, dome, or piston-type rigid diaphragm radiating from an infinite baffle. The baffle can be extended into waveguides of arbitrary shape, as long as it is axis-symmetric. It is also possible to place reflectors in front of the diaphragm. AxiDriver provides valuable information about the radiation pattern in the near- and far-field. It's great for learning, for understanding what is going on, and helps design speakers. The program is easy to use and intuitive. The axis-symmetric assumption allows for partial analytical solution in 3D which is quickening the calculation. Even if the actual problem is asymmetric then approximate AxiDriver-models can give insights and clues about the radiation pattern. AxiDriver displays the near-field at a single frequency as contours, which are overlayed by a sketch of the driver and its diaphragm. Further, the application allows for broad-band analysis into plots of the spectra of the sound pressure and radiation impedance with the help of Vacs as a graphing server. The acoustics is fully coupled to the mechanical rigid body mode of the driver. The layout of AxiDriver is such, that after solving, the motor parameters can be modified and the result is displayed immediately. For example, you can spin up and down the Bl-factor and see the effect on the response almost in real-time.

The calculation is developed for geometrical designs of belt and chain transmissions with more sprocket wheels (max. 15). Application is developed in MS Excel, is multi-language, supports Imperial and Metric units, and solves the following main tasks: - Calculation of the necessary length of the belt (chain) using known positions and diameters of sprocket wheels - Achieving the desired (table) length of the belt/chain using a change in the position of the selected sprocket wheel. - Calculation of geometry (angles of wrapping, numbers of teeth in engagement, axis distances, etc.) - Calculation of the radial force acting on the sprocket wheel axis. - Support of 2D CAD systems (AutoCAD, AutoCAD LT, IntelliCAD, TurboCAD)

The calculation is developed for geometrical designs of belt and chain transmissions with more sprocket wheels (max. 15). Application is developed in MS Excel, is multi-language, supports Imperial and Metric units, and solves the following main tasks: - Calculation of the necessary length of the belt (chain) using known positions and diameters of sprocket wheels - Achieving the desired (table) length of the belt/chain using a change in the position of the selected sprocket wheel. - Calculation of geometry (angles of wrapping, numbers of teeth in engagement, axis distances, etc.) - Calculation of the radial force acting on the sprocket wheel axis. - Support of 2D CAD systems (AutoCAD, AutoCAD LT, IntelliCAD, TurboCAD)

The calculation is designed for a geometrical design and strength check of belt transmissions using V-belts. Application is developed in MS Excel, is multi-language, supports Imperial and Metric units, and solves the following main tasks: - Calculation for 2 or 3 pulleys. - Automatic design of a transmission with the minimum of input requirements. - Design and calculation of geometrical parameters (diameters of pulleys, axis distances, length of the belt, weight of the transmission). - Calculation of strength parameters (power transferred by the belt, number of belts, efficiency, etc.). - Calculation of force conditions (prestressing, axis loading of the pulleys, etc.). - Support of 2D CAD (AutoCAD, AutoCAD LT, IntelliCAD, Ashlar Graphite, TurboCAD) and 3D CAD in full calculation package (Autodesk Inventor, SolidWorks). The calculations use procedures, algorithms, and data from basic documents and standards ANSI, RMA (Rubber Manufacturers Association), ISO, DIN, BS, and basic documents from catalogs of companies CONTITECH (r) and Gates Rubber Company (r). Used standards: Narrow V-Belts ANSI/RMA IP-22; Traditional V-Belts ANSI/RMA IP-20; Light Duty V-Belts ANSI/RMA IP-23; DIN 7753; DIN 2211; DIN 2215; ISO 4184.

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