Comparison Between Gen & nGen

July 13, 2021
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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

 

 

 

 

 

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Young-il Seo
Yeong-il Seo | Principal Structural Engineer

Young-il has over 13+ years of experience in building design, especially high-rise buildings with column reduction analysis, plant structures, pushover analysis, health monitoring, and vibration control projects. Since 2016, he is planning and providing technical supports for midas building products such as midas Gen, nGen, and Design+.

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