{"id":398,"date":"2017-05-30T16:54:10","date_gmt":"2017-05-30T15:54:10","guid":{"rendered":"https:\/\/gwpolitoblog.wordpress.com\/?page_id=263"},"modified":"2020-10-14T15:27:29","modified_gmt":"2020-10-14T13:27:29","slug":"mnms-history","status":"publish","type":"page","link":"https:\/\/areeweb.polito.it\/ricerca\/groundwater\/it\/software\/mnms\/mnms-history\/","title":{"rendered":"MNMs history"},"content":{"rendered":"
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MNMs 2018 v. 3.017 (05-06-2020)<\/h3>

You can now open a MNMs project file directly by double clicking on the .MNM file.<\/p>

MNMs 2018 v. 3.015 (16-04-2020)<\/h3>

Bug fix\u00a0in the transport simulation tool\u00a0<\/span>– output control menu – the list of output spaces is now automatically updated when the column length (or simulation radius) is changed.<\/span><\/p>

Bug fix\u00a0<\/span>in the transport simulation tool<\/span>\u00a0<\/span>– polymer properties menu\u00a0<\/span>when using<\/span>\u00a0the rehological model from Gastone et al. 2014:<\/span><\/p>

  • the exponent of the Cross model, \u03c7 , is now correctly listed in the parameter table;<\/span><\/li>
  • user changes in the parameter table are now correctly saved.<\/span><\/li><\/ul>

    Minor changes in the transport menu style.<\/p>

    MNMs 2018 v. 3.014 (25-03-2020)<\/h3>

    Solved the \u201csimulation time too short\u201d error.<\/span><\/p>

    MNMs 2015 v. 1.012 (09-05-2016)<\/h3>

    Implementation of the Classical Filtration Theory<\/strong> for particle transport under constant ionic strength conditions. The single collector removal efficiency (\u03b70<\/sub><\/strong>) can be calculated using up to seven different formulations (see the manual for the list of the available formulations). The\u00a0attachment collision efficiency<\/strong> (\u03b1<\/strong>) can be estimated via inverse fitting of breakthrough experimental data.<\/p>

    1D numerical solution of nanoparticle transport in presence of polymeric stabilizers. The model implements a modified Cross model that takes into account the non-Newtonian behavior of the carrier fluid and the dependency of the suspension viscosity on the concentration of polymer. Simulations can be run assuming:
    one Newtonian\u00a0<\/strong>fluid\u00a0(e.g. water),
    one non-Newtonian\u00a0<\/strong>fluid\u00a0<\/strong>(e.g. polymer); two fluids, one Newtonian<\/strong> and one non-Newtonian<\/strong>, taking into account transitions from one type of fluid to the other.<\/p>

    Improved efficiency of the numerical solvers for the simulation of solute and particle transport. Reduction of the overall computational time<\/strong>.<\/p>

    The management of the saved variables was improved to reduce the possibility of crashes on the Interaction Parameters<\/em> menu.<\/p>

    MNMs 2015 v. 1.009 (07-07-2015)<\/h3>

    A new tool was implemented for the calculation of the single collector attachment<\/strong> efficiency using several formulations.<\/p>

    The file saving procedure was changed. MNMs 2015 now generates two project files having extensions *.MNM<\/strong> e *.prj<\/strong>. are both required\u00a0<\/strong>to open a saved project.\u00a0This new procedure prevents errors during project saving and opening. Compatibility with old projects should be guaranteed.<\/p>

    The radial simulation tool was extended to support up to seven different formulations for the calculation of the single collector removal efficiency used to compute the attachment coefficient. The user can choose the most suitable equation to be selected from a pop-up menu.<\/p>

    The toolbar of MNMs now includes the Matlab tools “Pan” and “Data Cursor”.<\/p>

    MNMs 2014 v. 1.006 (08-05-2015)<\/h3>

    Added analytical solution for solute transport with 3rd kind (Robin) inlet boundary condition in presence of 1st order degradation and\/or equilibrium adsorption.<\/p>

    Both 1st type (Dirichlet) to 3rd type (Robin) inlet boundary condition are now available in all the analytical and numerical solution. User can select which one has to be used from the “Solver setting and output control” menu.<\/p>

    Dynamic zoom has been implemented for an improved visualization of the graphical outputs.<\/p>

    Implemented for 1D simulations (“System properties” menu) the possibility to define the water flow by alternatively choosing among the following combination of parameters:
    – discharge+column radius;
    – discharge+column cross sectional area;
    – applied Darcy’s velocity;<\/p>

    Fixed an error in the numerical solution of solute transport in presence of 1st order degradation.<\/p>

    Fixed a bug in the DLVO simulation tool. Extended-DLVO is now correctly deactivated when not selected by the user.<\/p>

    MNMs 2014 v. 1.005 (18-11-2014)<\/h3>

    Inlet boundary condition has been changed from 1st type (Dirichlet) to 3rd type (Robin) in both radial simulation and column transport numerical simulation. Better mass balances were achieved.<\/p>

    Fixed bugs in file saving. YOU WILL NOT BE ABLE TO OPEN FILES CREATED WITH OLD VERSIONS OF MNMs if they also contain experimental data<\/strong>.
    It is suggested to switch models from “inverse” to “direct” simulation and delete all the experimental data before saving the projects and opening them with the new release of the software. Then you’ll be allowed to add again your experimental data and keep on working at normal conditions.<\/p>

    Concentration of salt forced to value different from zero in transient ionic strength simulations in order to avoid code errors.<\/p>

    MNMs 2014 v. 1.004<\/h3>

    Fixed error in particle-particle DLVO calculation.<\/p>

    Fixed bug in simulations run with transient in IS.<\/p>

    Fixed bug in “System properties” in presence of clogging.<\/p>

    MNMs 2014 v. 1.003<\/h3>

    Minor bugs fixed.<\/p>

    MNMs 2014 v. 1.002<\/h3>

    New features:<\/em><\/p>

    Solution of 2D micro- and nanoparticles transport equations in radial geometry for simulation and preliminary design of field scale injections.<\/p>

    Rheological relationships (Cross model) have been implemented for simulation of Non-Newtonian (shear-thinning) nature of carrier fluids usually employed to improve stability of iron particles during practical applications.<\/p>

    Dependency of attachment coefficients on pore fluid velocity and viscosity.<\/p>

    MNMs 2014 v. 1.001<\/h3>

    New features:<\/em><\/p>

    Particle-particle and particle-collector interaction energy profiles calculation using EXTENDED-DLVO theory including: Van der Waals interactions, Electronic double layer interactions, Born repulsion, Steric interaction (provided by absorbed polymers) and Magnetic interactions (typical of iron particles).<\/p>

    Both analytical and numerical solution of reactive transport equations for dissolved species.<\/p>

    New output control options.<\/p>

    Data (only for licensed versions) and graph (also for trial version) export is now allowed.<\/p>

    Double-click supported (right-click to open windows is not required anymore).<\/p>

    MNMs 2014 v. 1.0 b<\/h3>

    Features:<\/em><\/p>

    Particle-particle and particle-collector interaction energy profiles calculation using DLVO theory.<\/p>

    Both analytical and numerical solution of transport equations for conservative dissolved species.<\/p>

    Numerical solution of colloidal transport equations with several mass transfer kinetic models: reversible linear kinetics, blocking, ripening, straining.<\/p>

    Simulation of pressure build-up along the column and evaluation of porosity and permeability variations due to porous medium clogging phenomena. In this case, the differential equation system can be solved via flow-transport equations coupling or neglecting the effect of particles transport on the flow field.<\/p>

    Simulation outputs available for colloids: breakthrough curves, concentration profiles of deposited colloids.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    MNMs 2018 v. 3.017 (05-06-2020) You can now open a MNMs project file directly by double clicking on the .MNM file. MNMs 2018 v. 3.015 (16-04-2020) Bug fix\u00a0in the transport simulation tool\u00a0– output control menu – the list of output spaces is now automatically updated when the column length (or […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":390,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"\nMNMs history - Groundwater Engineering Research Group<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/areeweb.polito.it\/ricerca\/groundwater\/it\/software\/mnms\/mnms-history\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MNMs history - Groundwater Engineering Research Group\" \/>\n<meta property=\"og:description\" content=\"MNMs 2018 v. 3.017 (05-06-2020) You can now open a MNMs project file directly by double clicking on the .MNM file. 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