Blog - midas Structure

Comparison Between Gen & nGen

Written by Yeong-il Seo | July 13, 2021

OVERVIEW

Comparison between Gen & nGen has 10 classified sections such as Modeling Steps, RC Design, Design Code, Features, BIM, and Revit Interface.

 

Let's look over the Modeling Step first!

 

1. Pre Mode (Modeling Step)

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

SW

nGen

Gen

Grid Reference

(Grid-Based Modeling)

O

Δ

DWG Reference

(Drawing-Based Modeling)

O

Χ

Recommended Size

of Structure

Low and Intermediate Story (Mid-low rise structure)

All types (Provides specialized functions for High-rise)

Materials

Concrete

Steel

User Define

Conc.

Steel

User Define

Aluminum

Plastic material

Time-dependent material

(For construction stage analysis)

 Sections

Steel DB section

Rectangular

Circle

Combined (for same materials)

User Section

Steel DB section

Rectangular

Circle

Combined (for same materials)

User Section

Cold-formed steel section

SRC

Tapered

Composite section (Steel beam + RC slab)

Members

Wall

Column

Beam

Slab (+Drop panel & Column capital) brace

Basement Wall

Footing

Pile

Shell

Opening

Wall

Column

Beam

Slab (+Drop panel & Column capital) brace

-

Footing (only Mat footing)

Pile

Shell

-

Composite beam

SRC column

Tapered beam

 

Loads

Point Load

Line Load

-

Slab Load

Floor Load

Seismic (including RS) / Wind load

Temperature Load

Earth Pressure

Imperfection Load

Mass

-

Crane Load

-

Arbitrary Load

Point Load

Line Load

-

Pressure Load

Floor Load

Seismic (including RS) / Wind load

Temperature Load

Earth Pressure

Imperfection Load

Mass

Pre Tension Load

-

Heat of Hydration

Moving Load

Dynamic load

 

 

 

SW

nGen

Gen

Boundary

Conditions

Supports

Beam end release

Plate end release

Soil support (spring)

Pile support (spring)

Point / Line / Area spring

General spring

-

Elastic / Rigid Link

Diaphragm

Beam end offset / Rigid zone

 

Supports

Beam end release

Plate end release

Soil support (spring)

Pile support (spring)

Point / Line / Area spring

General spring

General Link (with seismic control devices)

Elastic / Rigid Link

Diaphragm

Beam end offset / Rigid zone

 

ETC_01

'Set' concept brought in

-

* When setting the analysis  model, it can create and perform multiple analysis models by selecting desired member/load/boundary condition

Χ

ETC_02

Easy modeling for Multi Buildings

Δ

ETC_03

Auto mesh & size control

Δ

(not able to revise size and shape for created mesh)

ETC_03

Body Element

-

* Flexible shape -creation & editing

 

Χ

ETC_04

Flexible shape creation & editing (Sane as element-creation action in CAD)

 

Node-based element creation and editing

 

ETC_04

 Generate for Section offset

(Automatic section-offset edition)

-

Align Section

(Edits section-offset easily)

 Δ

ETC_05

Story & Plane modeling mode 

(Supports 2D-based easy modeling and editing)

Χ

(Only based on 3D modeling)

 

 

 

2. Analysis

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

SW

nGen

Gen

 Static Analysis

  O

Pushover

Analysis

 Χ

 O

- Inelastic Hinge model

-Fiber model

Time History

Analysis

 

Χ

O

Cracked Section

Analysis

O

Crack width 

Displacement under cracked section

P-Delta

O

Buckling

O

Eigenvalue

(Modal)

O

Heat of Hydration

Χ

O

Moving Load

Χ

O

Geometry Nonlinear

Χ

O

Material Nonlinear

Χ

O

Construction Stage Analysis

Χ

O

Settlement Analysis

Χ

O

Direct Analysis

O

Χ

Crane Analysis

O

Χ

ETC_01

Multi analysis

(Define analysis cases)

Χ

 
 

3. RC Design

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

CODE

nGen

Gen

 ACI318-14

  O

ACI318-11

O

ACI318-08

O

BS8110-1997

O

CP65 (Singapore)

Χ

HK-2004 (Hong Kong)

Χ

TS500-200 (Turkey)

Χ

Eurocode 2

O

Eurocode 2 (UK)

O

Χ

Eurocode 2 (Ireland)

Χ

Eurocode 2 (Singapore)

O

O

Eurocode 2 (Malaysia)

O

Χ

Eurocode 2 (Hong Kong)

Χ

Eurocode 2 (Poland)

O

Χ

Eurocode 2 (Sweden)

O

O

NTC 2018

O

IS456:2000(India)

Χ

O

TWN-USD100

Χ

O

NSR-10(South America)

Χ

O

ETC_01

-

ACI318-05, 02, 99, 95,89

Provided additionally

 

 

 

 4. Steel Design

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

CODE nGen Gen

AISC360-10 (LRFD)

O

AISC360-10 (ASD)

AISC360-16 (LRFD)

O

AISC360-16 (ASD)

O

TSC2016 (LRFD)

Χ 

TSC2016 (ASD)

Χ 

BS5950

O

EC3 2006

O

EC3 2006 (UK)

Χ

EC3 2006 (Singapore)

O O

EC3 2006 (Malaysia)

O Χ

EC3 2006 (Poland)

O

EC3 2006 (Sweden)

Χ O

IS:800-2007 (India)

Χ O

TWN (LRFD)

Χ O

TWN (ASD)

Χ

O

 

 

 

5. Design Code for Seismic Load

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

CODE nGen Gen

TDY 2007 (Turkey)

Χ

TBDY 2018 (Turkey)

Χ 

SNI 1726 2012 (Indonesia)

Χ

Eurocode 8

O

Eurocode 8 (Singapore)

O O

Eurocode 8 (Malaysia)

Χ

DPT 1302-61 (Thailand)

O Χ

NSCP 2015 (Philippines)

Χ

IBC 2012 (ASCE7-10)

O

IBC 2009 (ASCE7-05)

O

IBC 2000 (ASCE7-98)

Χ O

UBC 97

O

NBC (1995)

Χ O

IS 1893 (2016)

Χ O

NSR-10

Χ O

NTC 2018 (Italy)

O

P-100-1 (2013)

Χ O

Taiwan (2011)

Χ O

 

 

 

6. Design Code for Wind Load

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

CODE nGen Gen

BS6399-2 (1997)

O

MS1533 (2002)(Malaysia)

Χ 

ASCE7 (2010)

O

ASCE7 (2005)

O

EN1991-1-4 (2005)

O

EN1991-1-4 (2005)(Singapore)

O O

EN1991-1-4 (2005)(Poland)

O Χ

Thailand Wind Code

O (In July 2021) Χ

NSCP Wind Code (Philippines)

Χ Χ

IBC 2012

O

IBC 2009

O

IBC 2000

Χ O

UBC 97

Χ O

NBC (1995)

Χ O

IS875

Χ O

NSR-10

Χ O

Taiwan (2002)

Χ O

 

 

 

7. Features for design

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

Feature

nGen

Gen

Ductile Design (Strong column-week beam)

O

Capacity Design

O

Auto Grouping

O

Auto Design

O

Seismic Detail

O

Combined Design Case

O

Χ

SRC Design

Χ

O

Cold-Formed Steel Design

Χ

O

ETC_01

-

Shell design

(Sandwich panel method)

ETC_02

Basement wall Design

-

 

 

 

8. Generation of Structural Drawing

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

Drawing Type

nGen

Gen

Beam Reinforcement Cross Section

O

Δ

(in Dshop)

Column Reinforcement Cross Section

O

Δ

(in Dshop)

Wall Reinforcement Cross Section

O

Χ

Cross-Section View of the Reinforcement of the Outer Wall

O

Χ

Slab / Foundation Laying Diagram

Χ

Δ

(in Dshop)

Civil Retaining Wall Details

Χ

Δ

(in Dshop)

Stair Detail

Χ

O

Steel Connection Drawing

Χ

Δ

(in Dshop)

Quantity Table

O

Χ

 

 

 

9. BIM Interface

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

SW

nGen

Gen

IFC

Χ

Δ (Export only)

Revit

O

O

Archicad

Χ

Χ

Tekia

Δ (Export only)

O

Sap2000

Δ (Export only)

O

Etabs

Χ

Δ (Export only)

Staad Pro

O

O

Parasolid Format

O

Χ

 

 

 

 

10. Revit Interface

 

O : Supported  O : Scheduled to be supported  X : not supported  Δ : Not supported (alternative)

 

Factor

nGen

Gen

1D

O

Δ

Mapping Section

O

O

2D

O

O

(Import to Gen as Plate Element)

Opening

O

Χ

Rebar

O

Χ

Pile

Χ

Χ

Point Load

Χ

O

Line Load

Χ

O

Load Combination

Χ

O

Offset

O

O

Link

O

O

Support

Χ

O

Material

O

Χ

Level / Story

O

Χ

Grid

O

Χ