Asas, Metode & Pendekatan Perancangan IV/ Meeting 11

PERFORM Light, Ventilation & Building Performance

Studio Menguji performa desain
PIC Bu Dayu Shanty
Focus Daylight, ventilation, thermal response, environmental performance
Question “Apakah desain yang kita buat benar-benar bekerja?”
01 / CONTEXT

From Beautiful to Working.

Pada tahap sebelumnya mahasiswa telah mengembangkan context, program, massing, design framework, computational iteration dan structural concept. Sekarang pertanyaannya berubah: Apakah desain tersebut benar-benar bekerja ketika berhadapan dengan lingkungan nyata?

Design → Simulate → Evaluate → Modify → Simulate Again

Performance bukan sekadar tahap akhir desain. Performance adalah feedback loop dalam proses perancangan.
01 / LIGHT

Daylight

Apakah ruang mendapatkan cahaya alami yang cukup tanpa menghasilkan glare yang berlebihan?

02 / AIR

Ventilation

Bagaimana udara masuk, bergerak dan keluar dari bangunan?

03 / HEAT

Thermal

Bagaimana orientasi, envelope dan shading memengaruhi heat gain?

04 / ENERGY

Efficiency

Bagaimana keputusan desain memengaruhi kebutuhan energi bangunan?

02 / GRAND THEORY

Architecture as Environmental System.

Reyner Banham

The Well-Tempered Environment

Banham memperluas pemahaman arsitektur dari sekadar bentuk dan enclosure menuju persoalan bagaimana bangunan menciptakan lingkungan yang dapat dihuni manusia.

Key idea: Environmental control adalah bagian dari architectural thinking.

Victor Olgyay

Design with Climate

Olgyay menghubungkan climate, human comfort dan architectural design.

Climate → Comfort → Building Form → Design Response.

Baruch Givoni

Man, Climate & Architecture

Givoni menjelaskan hubungan antara iklim dan strategi bangunan seperti ventilation, thermal mass, shading dan orientation.

Key idea: Climate-responsive design.

Edward Mazria

Passive Solar Design

Mazria menunjukkan bagaimana orientasi, solar gain, shading dan envelope dapat menjadi bagian dari strategi passive design.

Key idea: Use the environment before fighting it.

Brown & DeKay

Sun, Wind & Light

Membantu mahasiswa memahami hubungan antara matahari, angin, cahaya dan keputusan arsitektural.

Key idea: Environmental forces can inform design.

Norbert Lechner

Heating, Cooling, Lighting

Menyediakan pendekatan terintegrasi untuk memahami hubungan antara climate, building envelope, lighting dan energy.

Key idea: Environmental performance must be integrated into design.

03 / PERFORMANCE FACTORS

Four Questions for the Building.

Light

Daylight, solar exposure, glare, illuminance.

Air

Wind, cross ventilation, stack effect, air movement.

Heat

Solar radiation, heat gain, thermal mass, envelope.

Energy

Cooling, lighting, equipment, operational energy.

04 / DAYLIGHT

Where Does the Light Come From?

Jangan mulai dari software. Mulai dari memahami bagaimana matahari berinteraksi dengan bangunan.

Solar → Opening → Space

Baca hubungan antara orientation, opening, window-to-wall ratio, skylight, shading dan room depth.

Daylight ≠ More Glass

Semakin besar opening tidak selalu berarti semakin baik. Daylight harus dibaca bersama glare, solar heat gain dan thermal comfort.

MORE GLASS ≠ BETTER PERFORMANCE
ORIENTATION → OPENING → DAYLIGHT → VISUAL COMFORT
05 / VENTILATION

How Does Air Move?

Pertanyaan sederhana: “Dari mana udara masuk, ke mana udara bergerak, dan bagaimana udara keluar?”

Cross Ventilation

Memanfaatkan perbedaan tekanan dan bukaan pada sisi bangunan untuk menghasilkan airflow.

INLET →
← OUTLET

Stack Effect

Udara panas bergerak ke atas dan dapat dikeluarkan melalui high-level opening.

HOT AIR ↑ HIGH OUTLET ↑ SPACE ↓ COOL AIR

Inlet

Ukuran dan posisi bukaan masuk.

Outlet

Bukaan keluar udara.

Void

Courtyard, atrium atau vertical void.

Porosity

Solid / void pada building envelope.

06 / THERMAL RESPONSE

Light, Heat and Comfort.

Untuk arsitektur tropis, daylight tidak dapat dipisahkan dari thermal performance.

Orientation

Arah bangunan menentukan paparan solar radiation pada façade.

ORIENTATION ↓ SOLAR EXPOSURE

Shading

Horizontal, vertical, screen dan vegetation dapat mengurangi solar gain.

SOLAR ↓ SHADING ↓ LOWER HEAT GAIN

Envelope

Material, opening, insulation dan surface dapat memengaruhi thermal response.

ENVELOPE ↓ HEAT TRANSFER ↓ COMFORT
07 / BUILDING ENVELOPE

Envelope as Environmental System.

Solid / Void

  • Opening ratio
  • Window-to-wall ratio
  • Daylight
  • Ventilation

Shading

  • Horizontal shading
  • Vertical shading
  • Screen
  • Vegetation

Responsive Envelope

  • Double skin
  • Perforation
  • Panel density
  • Depth
Is the façade only protecting the building? Or is it actively working as an environmental system?
08 / PERFORMANCE LOOP

Simulation Is a Design Feedback Loop.

01
Design
Bangun baseline design berdasarkan keputusan sebelumnya.
02
Simulate
Lakukan pengujian environmental performance.
03
Read
Identifikasi pola, masalah dan peluang.
04
Modify
Ubah geometry, opening, shading, orientation atau envelope.
05
Simulate Again
Bandingkan hasil sebelum dan sesudah perubahan.
06
Decide
Gunakan evidence untuk menentukan keputusan desain.
DESIGN → SIMULATE → EVALUATE → MODIFY → SIMULATE AGAIN
09 / DIGITAL TOOLKIT

Choose the Tool According to the Question.

Question Tool Exploration
Geometry Rhino Surface, solid, mesh, building form
Parametric iteration Grasshopper Orientation, opening, shading, geometry
Climate analysis Ladybug Tools Sun, radiation, temperature, wind
Daylight Honeybee Daylight, solar exposure, environmental analysis
Energy EnergyPlus Thermal and building energy simulation
Early design Autodesk Forma Solar, wind, daylight, massing
BIM performance Autodesk Insight Building energy performance
BIM automation Revit + Dynamo Parametric BIM workflow
CFD OpenFOAM / SimScale Wind, airflow, pressure
10 / PARAMETRIC EXPERIMENT

Parameter → Simulation → Decision.

Gunakan Grasshopper untuk menghasilkan beberapa alternatif berdasarkan parameter tertentu.

PARAMETER 01

Window Size

PARAMETER 02

Shading Depth

PARAMETER 03

Panel Density

PARAMETER 04

Orientation

PARAMETER → GENERATE → SIMULATE → COMPARE → DECIDE

Contoh sederhana:

Option Opening Shading Performance
A 20% Low Test
B 40% Medium Test
C 60% High Test
11 / CASE STUDIES

When Performance Generates Form.

Aedas + Arup

Al Bahar Towers

Dynamic shading system merespons solar exposure dan menjadi bagian dari architectural expression.

PLP Architecture

The Edge

Integrasi daylight, energy efficiency, building management dan environmental performance.

Miller Hull

Bullitt Center

Passive design, daylight, energy strategy dan environmental performance.

Ken Yeang

Menara Mesiniaga

Tropical high-rise dengan integrasi sun shading, vegetation dan climate response.

Mick Pearce

Eastgate Centre

Passive ventilation dan thermal strategy menjadi bagian dari building concept.

Climate Responsive

Passive Architecture

Performance menjadi bagian dari keputusan form, orientation, opening dan envelope.

12 / STUDIO EXERCISE

PERFORMANCE TEST

Pilih satu bagian penting dari desain yang telah dikembangkan:

Facade · Courtyard · Roof · Atrium · Public Space · Main Hall · Corridor

OPTION A

BASELINE

Gunakan desain awal tanpa perubahan.

Tujuan: Mengetahui kondisi awal performa.

OPTION B

MODIFIED

Lakukan perubahan berdasarkan passive design strategy.

Contoh: shading, opening, orientation, porosity.

OPTION C

OPTIMIZED

Lakukan iterasi berdasarkan hasil pengujian.

Bandingkan kembali dengan baseline.

DESIGN + SIMULATION + EVIDENCE = DESIGN DECISION

OUTPUT STUDIO

01. Performance question
02. Baseline model
03. Simulation 01
04. Identified problem
05. Design modification
06. Simulation 02
07. Comparison A / B / C
08. Performance matrix
09. Selected design
10. Design argument

13 / PERFORMANCE MATRIX

Compare Before You Decide.

Performance Option A Option B Option C
Daylight
Solar exposure
Ventilation
Thermal response
Energy
Spatial quality
Architectural expression
Don't say: “Menurut saya desain ini lebih baik.” Say: “Berdasarkan pengujian X, desain mengalami Y. Setelah perubahan Z, indikator A menunjukkan perbaikan.”
14 / LEARNING OUTCOME

From Intuition to Evidence.

01

Observe

Membaca environmental conditions.

02

Hypothesize

Membuat dugaan berdasarkan desain.

03

Test

Melakukan simulation.

04

Decide

Menggunakan evidence untuk memperbaiki desain.

INTUITION → HYPOTHESIS → SIMULATION → EVIDENCE → DESIGN DECISION
15 / READING LIST

Read the Environment.

01
Banham, R. — The Architecture of the Well-Tempered Environment. University of Chicago Press.
02
Olgyay, V. — Design with Climate. Princeton University Press.
03
Givoni, B. — Man, Climate and Architecture. Architectural Science and environmental design.
04
Mazria, E. — The Passive Solar Energy Book. Passive solar design principles.
05
Brown, G. Z. & DeKay, M. — Sun, Wind & Light. Environmental design strategies.
06
Lechner, N. — Heating, Cooling, Lighting. Sustainable environmental design.
07
Szokolay, S. V. — Introduction to Architectural Science. Climate, comfort, lighting and environmental design.
08
Kwok & Grondzik — The Green Studio Handbook. Environmental strategies for architectural studio.
16 / TAKEAWAY

Does Your Architecture Work?

A good design is not only something that looks good. It is something that responds to its context, supports its users, and performs in its environment.

Pada tahap ini mahasiswa mulai bergerak dari intuition-based design menuju evidence-based design. Simulasi bukan tujuan akhir. Simulasi adalah alat untuk membantu mahasiswa membuat keputusan desain yang lebih dapat dipertanggungjawabkan.

DESIGN → SIMULATE → EVALUATE → MODIFY → PERFORM