BENTLEY MOSES Ultimate v12.05

New software module package and naming


The previous version of Moses software is combined into three product packages according to its module functions: Moses basic, Moses advanced and Moses enterprise. In the latest Moses 12.0, the name of Moses enterprise package is changed to Moses ultimate, but the functional modules contained therein remain unchanged. At the same time, in Moses 12.0, we have added a new product module package - Moses openwindpower floating foundation, which contains a series of functional modules newly developed by Bentley for the basic design of offshore floating fans.


The module package selection and setting interface in Moses 12.0 is as follows:


At the same time, the original two GUI modules "Moses hull modeler" and "Moses hull mesher" in Moses were renamed "Moses modeler" and "Moses multiframe" respectively in 12.0.


Moses solution analysis function update


The new openwindpower floating foundation module in Moses 12.0 supports users to analyze the following steps according to the basic design process of floating fan,


Using G in Moses_ Solving hydrodynamic database of floating body with pressure command

The Rao is calculated in the Moses frequency response menu

Export floating body hydrodynamic database from Moses for wind load calculation software (such as bladed)

Time history analysis of the whole machine in bladed or other aerodynamic software

Import bladed time history results to Moses

Time history dynamic response analysis in Moses

Post processing check of floating structure in Moses


The following functions have been added in Moses 12.0 to support the data transmission of aerodynamic software such as Moses and bladed during the basic design of floating fan.


Solution of added mass at infinite frequency


When analyzing floating fans in aerodynamic software such as bladed, the additional mass matrix of hydrodynamic database will be required to include the relevant results of infinite frequency (zero period). Therefore, G in the "hydrodynamics" menu of Moses 12.0_ - do is added to the press command_ The IFAM option is used to solve infinite frequency waves.


G_ PRESSURE -DO_ IFAM YES/NO


-DO_ The IFAM option can be set to Yes (default) or No. If yes is selected, the program will automatically estimate the added mass at infinite frequency according to the added mass curve and damping in the calculation results. If the user chooses to obtain the hydrodynamic results at infinite frequency, i.e. zero period, it is recommended that the user select at least four wave period values less than 1s in the wave period setting of hydrodynamic calculation to obtain higher accuracy.


The hydrodynamic database calculated in Moses is exported to wamit format


In the new version 12.0, you can choose to export the hydrodynamic database calculated by Moses to wamit file format for use by third-party software such as bladed and other aerodynamic solvers. Use the following new command to output a hydrodynamic database result in wamit format through Moses.


EMIT_ WAMIT -OPTIONS


The output wamit format file is stored in Moses In the ANS result directory, the names of different output file types and their detailed descriptions are shown in the following table.


Import bladed time history calculation results to Moses


In the new Moses 12.0, the time history results of bladed machine calculation can be imported into the Moses calculation database in the following ways. First, you need to choose to use bladed in the Moses command file_ Tools macro.


MEDIT


USE_ MAC BLADED_ TOOLS


END

Then use import in the Moses main menu_ The bladed command selects to import bladed calculation results into Moses,


IMPORT_ BLADED RUNAME SEANAME -OPTIONS


Through this macro command, Moses can read the unit and node data, environmental load parameters (start and end time, time step, etc.), floating body motion trajectory, connection load and other information in all bladed results, and finally convert these data into data curves and apply them to the next Moses time history analysis.


Moses time history analysis was performed using the imported aerodynamic analysis results


After importing bladed time history result data in Moses 12.0, you can use the following command to conduct a Moses time history analysis.


TDOM -T_ HIST YES/NO


- t here_ The hist yes option tells Moses to conduct a time history simulation using the results of the time history position, velocity, acceleration and load curve of the floating body derived from bladed. Note that the time history analysis needs to be carried out in Moses to obtain the pressure load on the floating surface to prepare for the later structural check, because the panel pressure load calculation is not carried out in the bladed analysis.

Moses executive main program interface update

Visualization of panel pressure in hydrodynamic calculation

In Moses 12.0, the user can choose to display the hydrodynamic surface pressure load of the underwater unit in the form of cloud diagram in the executive interface. For example, after a frequency domain analysis is completed, the user can make the following settings in the executive interface to display the surface pressure load on the hydrodynamic grid. The surface pressure load here is the sum of wave pressure and hydrostatic pressure.