**AD 2000**: Added automatic calculation of tolerances according to DIN28011 and DIN28013*(#15245)***ASME**: It is now possible to differentiate the MDMT between tube side and shell side*(#14061)***EN 13445**: Added calculation of elliptical or obround openings according to 9.4.4*(#14265)***EN 13445**: Added calculation to EN 13445-2 Annex B, "Requirements for prevention of brittle fracture at low temperatures"*(#11553)***Special - Supporti**: Introduced the possibility to calculate the effect of local loads on saddles using a simplified FEM method*(#15347)***Special - Supporti**: It is now possible to disable additional supports checks individually*(#11390)***Special - Supporti**: It is now possible to transpose local loads to the base of the support considering the algebraic sum of the different individual contributions*(#15517)*- Added formed heads database according to DIN 28011 and 28013
*(#14897)* - For elliptical heads it is now possible to activate the option "Consider head radii after forming", as for torospherical and hemispherical heads
*(#15467)* - For EN10216-5 standard added tolerance classes T3 and T4
*(#15239)* - It is now possible to print the results and the graph of the usage factor in the calculation report
*(#15090)*

**AD 2000**: Added an option to perform the saddle calculation according to paragraph 6.1.2 in S 3/2 also for type B profiles*(#16270)***AD 2000**: Added iterative calculation of the minimum required thickness of loose flanges*(#15904)***AD 2000**: Added the calculation of the test pressure according to HP 30 4.10.1 with specific gravity of the fluid > 1*(#15655)***AD 2000**: Applied updates B 5 and W 2 01.2024*(#16009)***AD 2000**: Formula (33) of B 8 is now applied for checking the flanged extension of tubesheets with full face gasket*(#15682)***AD 2000**: In the calculation according to paragraph 8f) of AD2000 B5 (verification of tubesheets), the mean diameter of a full face gasket used in the calculations is now equal to the diameter of the bolts circle (according to AD2000 B7 7.1.3)*(#15651)***Asme VIII Div. 1**: Added option to apply UG-37(h) reinforcement area reduction for segmental elements*(#15587)***Asme VIII Div. 1**: Added test PTB E4.18.7m Fixed Tubesheet Exchanger, Configuration a*(#15704)***Asme VIII Div. 1**: Optimized the section of the report dedicated to the hydrostatic test at external pressure of torispherical heads*(#15533)***Asme VIII Div. 1**: Stud bolt minimum thread length verification now uses UG-43(g) instead of UG-12*(#15641)***ASME**: Added some missing information to the electric immersion heater support plate, relative to bolts and gasket*(#16206)***ASME**: Added some warnings relating to the application of paragraph 7.1.2. of the PED in the ASME context*(#15568)***ASME**: Fixed reference to UG-100 in case of pneumatic test*(#16247)***ASME**: Reduced the error message relating to back-face welded joints to a warning for U-tube exchangers*(#15545)***ASME**: The option to set the simply supported tubesheet calculation can now be applied to a single tubesheet in the case of floating exchangers*(#16202)***EN 13445**: Added a warning in the calculation of threads according to EN 14359 for informing the user of the limits of applicability of the calculation method in terms of temperature and pressure*(#15735)***EN 13445**: Added the possibility to customize at a component level properties useful for the structural analysis such as factor ψ and the fabrication tolerance quality class*(#15197)***EN 13445**: Added verification of the calculation of the test pressure with high hydrostatic heads according to EN 13445-5, formula (10.2.3.3.1-3)*(#15662)***EN 13445**: In the calculation of cylinders at external pressure according to paragraph 8.5.3.4, coefficients γ and G are now calculated*(#15657)***EN 13445**: The "shock factor" is now not applied in the calculation of lifting lugs, since the standard already contains a coefficient equal to 1.5*(#15582)***EN 13445**: The maximum length of openings on skirts according to 16.12-76 is now considered as a limit rather than an error*(#16331)***EN 13480**: ASME PMA materials have been updated to version 2023 of ASME BPVC. Some materials did not have temperature yield values and have now been updated with these values*(#15453)***European**: Updated the calculation of local loads according to paragraph 16.14 in EN13445-3*(#15938)***Special - Supports**: Added an option to specify a different shell thickness between the saddles*(#15613)***Special - Supports**: Modified the moment calculation used in the legs baseplate verification according to the Moss procedure*(#16143)***Special - Supports**: The calculation of the brackets moment arms now takes into account the distance from the bottom edge of the base plate*(#16255)***Special - Supports**: The calculation of the friction force on the sliding saddle now considers the reaction at the sliding saddle and the entire weight of the item*(#15900)***Special - Supports**: The coefficient for the most loaded saddle can now be greater than 1 in case of center of gravity beyond the profile of the saddles*(#15671)***Special - Supports**: The EJMA calculation now recognizes the UNS number for ASME PMA materials*(#15447)***Special - Supports**: The option to define loads at the nozzle end is now also considered when transposing external loads to the base of the supports*(#15636)***Special - WRC**: For attachments the pressure automatically considered by the software when performing calculations according to WRC is now set to be equal to the internal pressure*(#15233)***Special - WRC**: Improved conversion from PN to ANSI class when using EN 1092 flanges with API660 loads*(#15778)***VSR**: Added automatic calculation of thermal expansion of bellows (according to TEMA T-4.5)*(#15880)***VSR**: It is now possible to verify standard bolted flat heads using their rating*(#15281)*- A warning is now displayed when multiple jackets are in use on the same vessel
*(#15344)* - EN 10253-2 2021 update
*(#15720)* - Fixed the calculation of the internal volume of half pipes
*(#15523)* - Improved the calculation of DIN 28083 brackets
*(#15936)* - It is now possible to define a nozzle as part of a standard tee fitting
*(#15383)* - It is now possible to include a number for each component in the item report summaries
*(#15490)* - Support for keyboard shortcuts has been extended
*(#15604)* - The bolt form can now be resized
*(#16052)* - The tolerance in the calculation of the minimum thickness of pass partitions is now applied only to the calculation according to RCB-9.1.3.2
*(#15847)* - Various optimizations

**AD 2000**: Corrected the calculation of the beta factor for openings in the knuckle region of torospherical heads*(#16064)***AD 2000**: Corrected the calculation of the MF moment at the base of the leg according to S 3/3*(#15809)***AD 2000**: Fixed a bug in the calculation of the stress according to formula (10) of AD2000 B6 for stiffening rings*(#15634)***AD 2000**: Fixed an error that did not allow the OTL of the tube bundle to be modified*(#15836)***AD 2000**: Fixed the automatic calculation of the distance between a nozzle and the closest discontinuity*(#16352)***AD 2000**: To respect the ratios between diameters of B 1 1 and B 10 1 a reduction in the calculation thickness is applied. Adding an opening on a cylinder to which this reduction has been applied causes an error*(#15244)***Asme VIII Div. 1**: Fixed an issue that resulted in any user-specified thickness being ignored when checking welds for long weld neck nozzles and flanges*(#15402)***Asme VIII Div. 1**: Corrected the calculation of the elastic modulus for the channel and shell material when there is no operating temperature value, using the design temperature*(#15581)***Asme VIII Div. 1**: Corrected the F parameter for adjacent openings that are not integrally reinforced*(#15585)***Asme VIII Div. 1**: Fixed a bug that didn't allow the user to calculate covers with UG-39(d)/UG-39(e) option for some configurations*(#15510)***Asme VIII Div. 1**: The MAWP of the cylindrical part of elliptical heads is now calculated using the joint efficiency of the cylindrical part*(#15466)***Asme VIII Div. 1**: When validating the cylindrical part of heads, the straight flange undertolerance is now considered*(#15412)***Asme VIII Div. 2**: When a head had a material whose characteristics had been customized, the straight flange calculation did not take those customizations into account*(#16254)***ASME**: Fixed calculation of bolt load in hydrotest for tubesheets*(#15939)***ASME**: For jacket closures of types d1,d2,e1,e2,g4,g5,g6,h, the condition for the minimum required thickness of the jacket (trj) is now correctly applied*(#15549)***ASME**: In the calculation of the skirt's base ring, the effect of seism is now considered as acting downwards*(#15389)***EN 13445**: Corrected the calculation of the length available on the shell ls for self-reinforcing nozzles*(#16003)***EN 13445**: Corrected the calculation of the MAEWP of EN flanges*(#15451)***EN 13445**: Fixed a bug in the calculation of the force FR for lifting lugs horizontally oriented*(#15600)***EN 13445**: Fixed a bug in the calculation of the minimum required thickness of pierced covers*(#15638)***EN 13445**: Fixed a bug in the calculation of the total stress range due to cyclic displacement for expansion joints of type "U-shaped convolutions circumferentially welded at their crest or root"*(#15828)***EN 13445**: Fixed a bug that did not allow to see all the possible options for the property "Welded flat end weld class"*(#15848)***EN 13445**: Fixed a bug that didn't allow the correct comparison between thicknesses and the minimum required thickness based on the testing group*(#15381)***EN 13445**: Fixed a bug that sometimes lead to an error in the calculation of the allowable stress in creep conditions*(#15668)***EN 13445**: Fixed an error in the calculation of the LSR coefficient for jacketed vessels*(#15699)***EN 13445**: Fixed an error that could occur when calculating the hydraulic test pressure for vessels in Testing Group 4*(#15495)***EN 13445**: Fixed some errors when using cone/cylinder joint efficiency when checking cones*(#15516)***EN 13445**: Fixed some inconsistencies in the application of undertolerance and corrosions in the calculation of large cone junctions*(#15445)***EN 13445**: Fixed the calculation of the distance between a nozzle on a torispherical head and a butt weld for performing the check according to 9.4.8*(#15450)***EN 13445**: Fixed the calculation of the elastic limit for austenitic materials in the calculation according to paragraph 16.14*(#15940)***EN 13445**: In the fatigue calculation of components, the input properties relating to thermal stresses were not displayed when a component was first created, but only in subsequent modifications. This behavior has been corrected*(#16260)***EN 13445**: Shell side pressure is now set correctly in differential hydraulic testing on floating tubesheet with the option to use both pressures*(#15709)***EN 13445**: The backing device now uses the differential test pressure if set*(#15713)***EN 13480**: The wall analysis thickness of the branch is now limited according to paragraph 8.3.1*(#15492)***European**: Fixed calculation of FGImin e FGImax in EN 1591*(#15579)***European**: In the detailed fatigue assessment, fatigue properties defined for the jacket are now used if the component is part of the jacket*(#15839)***Special - Supports**: Fixed a bug in the calculation of L (saddles) when the option "Consider the length of any cone connected to the cylinder" is activated*(#15561)***Special - Supports**: Fixed a bug in the calculation of longitudinal stresses on cylinders supported by saddles (Zick)*(#15733)***Special - Supports**: Fixed a bug in the calculation of the wind pressure with EN1991-1-4 code and Austria/Germany/Poland National Annexes*(#15544)***Special - Supports**: Fixed a bug that didn't allow to consider the effect of the wind in the additional components while performing the structural analysis*(#15512)***Special - Supports**: Fixed calculation of the bearing stress of tailing lugs*(#16322)***Special - Supports**: Fixed the automatic calculation of the L4 projection of the tailing lug when not positioned in a cardinal point*(#15928)***Special - Supports**: In the calculation of the initial bending moment during lifting, the components disabled in the load combination are now correctly excluded*(#15985)***Special - WRC**: Fixed a problem that led to an endless loop when validating local loads according to WRC using the Saipem/SNAM preset*(#15556)***TEMA**: Corrected the automatic calculation of the perimeter and area of tube bundle when the EN 13445 code is selected*(#15969)*- Corrected the calculation of the distance between attachment and nozzle
*(#15845)* - Corrected the height h of the support rings
*(#15918)* - Corrected WRC calculation for circular attachments with pad
*(#15672)* - Fixed a bug in the calculation of the center of gravity of lifting lugs
*(#15522)* - FIxed a bug in the selection of standard fitting elbows
*(#15601)* - Fixed a bug that didn't allow to insert the thickness of a rectangular hollow attachment
*(#15501)* - Fixed a problem leading to the displaying of the message "Design conditions not belonging to this item" while working on multiple items
*(#16197)* - Fixed a problem that prevented the use of any custom values of MinimumYieldStrength and MinimumTensileStrength of a material
*(#16075)* - Fixed calculation of the weight of rectangular bolted flat covers
*(#16031)* - The calculation of the external test pressure now considers the user-defined custom MAWP for the jacket
*(#15977)* - The printing of those eligible in test condition in the summary of material characteristics has been restored
*(#15654)* - Minor fixes

- Getting started
- Frequently asked questions
- Customer support
- Installation
- Troubleshooting startup problems
- License management
- Files management
- User interface
- Vessels design
- Heat Exchangers design
- Materials management
- Non-pressure loads
- Calculation report print
- Advanced design
- Versions and changelog archive
- Articles archive from sant-ambrogio.it website